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AI identification is probabilistic and is not authentication. Inspect the original listing and item yourself before purchasing.

Photos

Listing

Title
Vintage Oleg Cassini Monogram Overnighter Satchel Bag – Brown/Tan (18" x 13.5")
Source
eBay
Seller's brand
Unbranded
Category
Women's Bags & Handbags
Current bid
—
Buy-now price
$60.00
Shipping
—
Location
US
Ends
— (—)
Discovered
2026-09-15 09:13
Last seen
2026-09-20 02:19

View original auction →

AI analysis

Model / prompt
ensemble:openai:gpt-5.6-luna+meta:muse-spark-1.3-contributor (prompt v2)
Analyzed at
2026-09-15 09:46
Is handbag
97%
Coach probability
2% (possible, not confirmed)
Vintage probability
18%
Authenticity confidence
2%
Image quality
84%
Seller misidentification
7%
Coach score
0.12
Opportunity score
0.06
Deal score
0.04
Estimated era
modern (2000s+), non-Coach
Possible models
—

Evidence

POSITIVE
  • photo 1: Clearly a handbag/overnighter satchel with dual handles, zip-top closure, and large interior capacity.
  • photo 6: Interior lining visibly repeats CASSINI branding, supporting the seller's Oleg Cassini attribution rather than Coach.
  • photo 1: Brown/tan monogram textile with dark trim and orderly construction is consistent with a branded fashion satchel.
NEGATIVE
  • photo 1: The monogram uses C-like motifs and floral elements, not Coach's documented Signature C pattern; no Coach wordmark or carriage is visible.
  • photo 3: Decorative circular C emblem is not a Coach horse-and-carriage or standard vintage Coach mark.
  • photo 6: Interior is visibly branded CASSINI, not a Coach creed or Coach lining.
  • photos 1-6: The bag is a large fabric-lined zip satchel with synthetic-looking patterned textile and trim, unlike classic vintage Coach glove-tanned leather construction.
  • photo 4: Hardware appears dark/plated rather than the solid brass hardware typical of many vintage Coach classics.
  • photo 1, photo 2: coated canvas monogram satchel with faux-leather trim, not glove-tanned leather
  • photo 6: grey synthetic lining printed CASSINI throughout, not unlined suede or Coach lining
  • photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible
  • photo 1, photo 2, photo 5: zip-top overnighter silhouette with short handles, no turnlock, no solid brass vintage hardware
  • listing title states Vintage Oleg Cassini Monogram Overnighter, consistent with photos
MISSING INFORMATION
  • photo 6: Close-up of the interior Cassini label and any sewn country-of-origin or care tag.
  • photo 6: Close-up of all interior pockets and seams to confirm whether any additional brand or style tag is present.
  • photo 1: Seller-stated dimensions are provided, but a scale photo and close-ups of corners, zipper pulls, and handle attachments would better assess condition.
  • photo 5: Close-up of the bottom corners and base seams for wear or damage.
  • No Coach creed or wordmark visible in any view - no further Coach-specific photos needed given branded Cassini lining
AUTHENTICITY CONCERNS
  • ⚠ photos 1, 3, and 6: The C-like exterior monogram and circular C emblem could be mistaken for Coach motifs, but the visible CASSINI lining identifies this as a non-Coach branded bag.
  • ⚠ photo 6: No Coach creed, serial/style number, or Coach identifier is visible; the interior branding is inconsistent with Coach manufacture.
  • ⚠ photo 1, photo 2, photo 3: all-over C-with-bow monogram is C-like print, not Coach Signature C pairing and alignment
  • ⚠ photo 3: double-C metal medallion is not Coach turnlock geometry and not horse-and-carriage
  • ⚠ photo 6: interior lining printed CASSINI, indicating Oleg Cassini maker, not Coach

Observed features

creed present no
serial or style number present no
coach wordmark present no
turnlock present no
hangtag present no
creed text not_visible
serial or style number not_visible
hardware description photos 1-5: Dark metal zipper hardware and a circular raised C emblem; no Coach-stamped hardware is visible.
leather description photos 1-5: Dark smooth-looking trim and handles around a tan/brown woven or textile monogram body; leather type is not verifiable from these photos.
lining description photo 6: Dark textile lining visibly printed with repeated CASSINI text and circular marks.
strap construction photos 1, 2, and 5: Two padded dark handles attached with rectangular stitched tabs; no detachable shoulder strap is visible.
stitching description photos 1-5: Multiple rows of generally even contrasting stitching are visible along the trim and handle attachments.
Raw AI response (debug)
{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.175,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.84,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.92,
    "recommended_max_bid": 16,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag\/overnighter satchel with dual handles, zip-top closure, and large interior capacity.",
        "photo 6: Interior lining visibly repeats CASSINI branding, supporting the seller's Oleg Cassini attribution rather than Coach.",
        "photo 1: Brown\/tan monogram textile with dark trim and orderly construction is consistent with a branded fashion satchel."
    ],
    "negative_evidence": [
        "photo 1: The monogram uses C-like motifs and floral elements, not Coach's documented Signature C pattern; no Coach wordmark or carriage is visible.",
        "photo 3: Decorative circular C emblem is not a Coach horse-and-carriage or standard vintage Coach mark.",
        "photo 6: Interior is visibly branded CASSINI, not a Coach creed or Coach lining.",
        "photos 1-6: The bag is a large fabric-lined zip satchel with synthetic-looking patterned textile and trim, unlike classic vintage Coach glove-tanned leather construction.",
        "photo 4: Hardware appears dark\/plated rather than the solid brass hardware typical of many vintage Coach classics.",
        "photo 1, photo 2: coated canvas monogram satchel with faux-leather trim, not glove-tanned leather",
        "photo 6: grey synthetic lining printed CASSINI throughout, not unlined suede or Coach lining",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1, photo 2, photo 5: zip-top overnighter silhouette with short handles, no turnlock, no solid brass vintage hardware",
        "listing title states Vintage Oleg Cassini Monogram Overnighter, consistent with photos"
    ],
    "missing_information": [
        "photo 6: Close-up of the interior Cassini label and any sewn country-of-origin or care tag.",
        "photo 6: Close-up of all interior pockets and seams to confirm whether any additional brand or style tag is present.",
        "photo 1: Seller-stated dimensions are provided, but a scale photo and close-ups of corners, zipper pulls, and handle attachments would better assess condition.",
        "photo 5: Close-up of the bottom corners and base seams for wear or damage.",
        "No Coach creed or wordmark visible in any view - no further Coach-specific photos needed given branded Cassini lining"
    ],
    "authenticity_concerns": [
        "photos 1, 3, and 6: The C-like exterior monogram and circular C emblem could be mistaken for Coach motifs, but the visible CASSINI lining identifies this as a non-Coach branded bag.",
        "photo 6: No Coach creed, serial\/style number, or Coach identifier is visible; the interior branding is inconsistent with Coach manufacture.",
        "photo 1, photo 2, photo 3: all-over C-with-bow monogram is C-like print, not Coach Signature C pairing and alignment",
        "photo 3: double-C metal medallion is not Coach turnlock geometry and not horse-and-carriage",
        "photo 6: interior lining printed CASSINI, indicating Oleg Cassini maker, not Coach"
    ],
    "possible_model_reasoning": [
        "The shape is an overnighter or satchel, not a recognizable Coach catalog classic; no Coach model is supported.",
        "photo 6: Repeated CASSINI lining strongly supports Oleg Cassini branding and explains the seller's attribution.",
        "Condition: Very Good based on the visible clean exterior, intact handles, and apparently functional zippers; interior is shown, but odor and hidden wear cannot be assessed.",
        "No Coach model fits: canvas C-bow print, Cassini-branded lining, overnighter zip-top shape and medallion hardware are inconsistent with any Coach catalog style",
        "Era reasoning: synthetic lining, faux-leather trim, zip construction and Oleg Cassini branding indicate modern (2000s+) non-Coach travel bag",
        "Condition: Good to Very Good; exterior canvas looks clean in photo 1-2, bottom shows light wear in photo 4, interior looks empty and clean in photo 6"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photos 1-5: Dark metal zipper hardware and a circular raised C emblem; no Coach-stamped hardware is visible.",
        "leather_description": "photos 1-5: Dark smooth-looking trim and handles around a tan\/brown woven or textile monogram body; leather type is not verifiable from these photos.",
        "lining_description": "photo 6: Dark textile lining visibly printed with repeated CASSINI text and circular marks.",
        "strap_construction": "photos 1, 2, and 5: Two padded dark handles attached with rectangular stitched tabs; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-5: Multiple rows of generally even contrasting stitching are visible along the trim and handle attachments."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.25,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag\/overnighter satchel with dual handles, zip-top closure, and large interior capacity.",
                    "photo 6: Interior lining visibly repeats CASSINI branding, supporting the seller's Oleg Cassini attribution rather than Coach.",
                    "photo 1: Brown\/tan monogram textile with dark trim and orderly construction is consistent with a branded fashion satchel."
                ],
                "negative_evidence": [
                    "photo 1: The monogram uses C-like motifs and floral elements, not Coach's documented Signature C pattern; no Coach wordmark or carriage is visible.",
                    "photo 3: Decorative circular C emblem is not a Coach horse-and-carriage or standard vintage Coach mark.",
                    "photo 6: Interior is visibly branded CASSINI, not a Coach creed or Coach lining.",
                    "photos 1-6: The bag is a large fabric-lined zip satchel with synthetic-looking patterned textile and trim, unlike classic vintage Coach glove-tanned leather construction.",
                    "photo 4: Hardware appears dark\/plated rather than the solid brass hardware typical of many vintage Coach classics."
                ],
                "missing_information": [
                    "photo 6: Close-up of the interior Cassini label and any sewn country-of-origin or care tag.",
                    "photo 6: Close-up of all interior pockets and seams to confirm whether any additional brand or style tag is present.",
                    "photo 1: Seller-stated dimensions are provided, but a scale photo and close-ups of corners, zipper pulls, and handle attachments would better assess condition.",
                    "photo 5: Close-up of the bottom corners and base seams for wear or damage."
                ],
                "authenticity_concerns": [
                    "photos 1, 3, and 6: The C-like exterior monogram and circular C emblem could be mistaken for Coach motifs, but the visible CASSINI lining identifies this as a non-Coach branded bag.",
                    "photo 6: No Coach creed, serial\/style number, or Coach identifier is visible; the interior branding is inconsistent with Coach manufacture."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photos 1-5: Dark metal zipper hardware and a circular raised C emblem; no Coach-stamped hardware is visible.",
                    "leather_description": "photos 1-5: Dark smooth-looking trim and handles around a tan\/brown woven or textile monogram body; leather type is not verifiable from these photos.",
                    "lining_description": "photo 6: Dark textile lining visibly printed with repeated CASSINI text and circular marks.",
                    "strap_construction": "photos 1, 2, and 5: Two padded dark handles attached with rectangular stitched tabs; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-5: Multiple rows of generally even contrasting stitching are visible along the trim and handle attachments."
                },
                "possible_model_reasoning": [
                    "The shape is an overnighter or satchel, not a recognizable Coach catalog classic; no Coach model is supported.",
                    "photo 6: Repeated CASSINI lining strongly supports Oleg Cassini branding and explains the seller's attribution.",
                    "Condition: Very Good based on the visible clean exterior, intact handles, and apparently functional zippers; interior is shown, but odor and hidden wear cannot be assessed."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 20,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2, photo 3: all-over C-with-bow monogram is C-like print, not Coach Signature C pairing and alignment",
                    "photo 3: double-C metal medallion is not Coach turnlock geometry and not horse-and-carriage",
                    "photo 6: interior lining printed CASSINI, indicating Oleg Cassini maker, not Coach"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach creed or wordmark visible in any view - no further Coach-specific photos needed given branded Cassini lining"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: coated canvas monogram satchel with faux-leather trim, not glove-tanned leather",
                    "photo 6: grey synthetic lining printed CASSINI throughout, not unlined suede or Coach lining",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1, photo 2, photo 5: zip-top overnighter silhouette with short handles, no turnlock, no solid brass vintage hardware",
                    "listing title states Vintage Oleg Cassini Monogram Overnighter, consistent with photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 3: brass-tone double-C medallion on leather-like patch; photo 4: black plastic base feet; photo 1-2,5: dark-tone handle rings and zipper, not solid brass turnlock",
                    "leather_description": "photo 1-2,4-5: tan\/black coated canvas with repeating C and bow lattice monogram, dark brown smooth trim and rolled handles appearing faux-leather",
                    "lining_description": "photo 6: grey synthetic satin-like lining printed with CASSINI text and small logos",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 5: light contrast topstitching along zipper trim, even; photo 1-2: light stitching on handle anchors",
                    "strap_construction": "photo 1-2,5: dual short rolled top handles with snap-together grip wrap, anchored with metal rings; no detachable shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: canvas C-bow print, Cassini-branded lining, overnighter zip-top shape and medallion hardware are inconsistent with any Coach catalog style",
                    "Era reasoning: synthetic lining, faux-leather trim, zip construction and Oleg Cassini branding indicate modern (2000s+) non-Coach travel bag",
                    "Condition: Good to Very Good; exterior canvas looks clean in photo 1-2, bottom shows light wear in photo 4, interior looks empty and clean in photo 6"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29568,
            "output_tokens": 924,
            "total_tokens": 30492,
            "estimated_cost_usd": 0.014045
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30926,
            "output_tokens": 1589,
            "total_tokens": 32515,
            "estimated_cost_usd": 0.007456
        }
    ]
}

Valuation AI ESTIMATE

This is a model-generated estimate, not an observed market/sold price. Treat it as a rough guide only.

Estimated resale range
$12.50–$40.00
Suggested max bid
$16.00

Reference-image matches

Nearest-perceptual-hash comparison against a small curated library of known vintage Coach models (data/coach-reference/) -- a coarse mechanical signal, not authentication.

No reference matches yet.

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