Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.055,
    "vintage_probability": 0.36,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.78,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather handbag with substantial leather handles and metal feet.",
        "photo 3: Interior leather label visibly reads \u201cMADE IN ITALY,\u201d supporting Italian manufacture but not Coach.",
        "photo 1,2,5,6: genuine pebbled leather handbag with brass-tone hardware",
        "photo 3: Made in Italy origin, consistent with 1990s Italian production era generally",
        "photo 1,4: leather zipper pull tab and leather interior, not synthetic"
    ],
    "negative_evidence": [
        "photo 3: No Coach creed patch, Coach wordmark, serial\/style number, or horse-and-carriage is visible.",
        "photo 1 and photo 2: The bag has a fabric-lined, zippered multi-compartment construction rather than the typical unlined glove-tanned construction of many vintage Coach classics.",
        "photo 5: Hardware and handle attachments do not show distinctive Coach turnlock or dogleash construction.",
        "Listing text: Seller identifies only a vintage Italian genuine-leather handbag and does not mention Coach.",
        "photo 3: only stamp visible is small leather tab reading MADE IN ITALY, not a Coach creed patch with paragraph and No. line",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible on exterior, interior, hardware or tag",
        "photo 1,2,5: no turnlock present; closure is top zip, not a Coach classic turnlock flap",
        "photo 4: interior is leather-lined zip satchel with center zip divider, not unlined suede-back glove-tanned classic construction",
        "photo 1,2,5,6: silhouette is structured double-handle zip satchel with base feet, does not match catalog City Bag, Willis, Court, Station, Duffle Sac or other classics"
    ],
    "missing_information": [
        "A clear photograph of every interior wall and pocket, including any concealed labels or tags.",
        "Close-ups of all hardware, zipper pulls, and handle attachment points.",
        "Full front, back, side, and strap-attachment views; the seller states the shoulder strap is missing.",
        "Any maker label, stamp, or serial marking not shown in the current photos.",
        "photo of any Coach creed patch, wordmark, or style number straight-on in raking light - none shown",
        "close-up of zipper pull brand stamp",
        "confirmation of lining material throughout and any interior brand label",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier is visible; the bag is more consistent with an unidentified Italian leather handbag than a Coach product.",
        "The visible Italian manufacture label and lined construction do not establish Coach provenance or match a recognizable vintage Coach model."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks a visible Coach identifier and its Italian-label, lined, multi-compartment construction is not sufficiently distinctive for a Coach catalog match.",
        "Condition: Very Good based on clean visible leather and intact handles, with minor creasing\/handling marks visible in photos 1, 2, and 4; missing shoulder strap reduces completeness and value. Bottom is shown in photo 6, but corners and all interior surfaces are not fully documented.",
        "No Coach identifier visible so no catalog match; shape is double-handle zip satchel with base feet, unlike turnlock flap classics (City, Willis, Court, Station) and unlike Duffle Sac bucket",
        "Italy origin alone does not indicate Coach; Coach Italy no-serial bags were Dakota\/Sheridan\/Madison\/Sonoma pebbled lines with full creed text, not a lone MADE IN ITALY tab",
        "Condition: Good; leather clean with light wear, corners and bottom intact (photo 6), handles intact, but seller states shoulder\/long strap is missing which reduces completeness and value"
    ],
    "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": "photo 1 and photo 5: Gold-tone rectangular handle rings and small gold-tone base feet are visible; no Coach engraving is legible. photo 2: Zipper hardware is visible but unbranded.",
        "leather_description": "photo 1, photo 2, and photo 6: Brown\/cognac pebbled leather with a relatively soft, structured finish; appears genuine leather, but exact tannage is not determinable.",
        "lining_description": "photo 4: Brown leather or leather-like interior compartments with multiple zipper sections are visible; exact lining material is not determinable.",
        "strap_construction": "photo 1 and photo 2: Two attached rolled top handles are visible. Seller states the separate strap is missing; strap attachment details are not fully shown.",
        "stitching_description": "photo 1, photo 4, and photo 5: Generally even tonal stitching is visible around the body, handles, and seams."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.22,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather handbag with substantial leather handles and metal feet.",
                    "photo 3: Interior leather label visibly reads \u201cMADE IN ITALY,\u201d supporting Italian manufacture but not Coach."
                ],
                "negative_evidence": [
                    "photo 3: No Coach creed patch, Coach wordmark, serial\/style number, or horse-and-carriage is visible.",
                    "photo 1 and photo 2: The bag has a fabric-lined, zippered multi-compartment construction rather than the typical unlined glove-tanned construction of many vintage Coach classics.",
                    "photo 5: Hardware and handle attachments do not show distinctive Coach turnlock or dogleash construction.",
                    "Listing text: Seller identifies only a vintage Italian genuine-leather handbag and does not mention Coach."
                ],
                "missing_information": [
                    "A clear photograph of every interior wall and pocket, including any concealed labels or tags.",
                    "Close-ups of all hardware, zipper pulls, and handle attachment points.",
                    "Full front, back, side, and strap-attachment views; the seller states the shoulder strap is missing.",
                    "Any maker label, stamp, or serial marking not shown in the current photos."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier is visible; the bag is more consistent with an unidentified Italian leather handbag than a Coach product.",
                    "The visible Italian manufacture label and lined construction do not establish Coach provenance or match a recognizable vintage Coach model."
                ],
                "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": "photo 1 and photo 5: Gold-tone rectangular handle rings and small gold-tone base feet are visible; no Coach engraving is legible. photo 2: Zipper hardware is visible but unbranded.",
                    "leather_description": "photo 1, photo 2, and photo 6: Brown\/cognac pebbled leather with a relatively soft, structured finish; appears genuine leather, but exact tannage is not determinable.",
                    "lining_description": "photo 4: Brown leather or leather-like interior compartments with multiple zipper sections are visible; exact lining material is not determinable.",
                    "strap_construction": "photo 1 and photo 2: Two attached rolled top handles are visible. Seller states the separate strap is missing; strap attachment details are not fully shown.",
                    "stitching_description": "photo 1, photo 4, and photo 5: Generally even tonal stitching is visible around the body, handles, and seams."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks a visible Coach identifier and its Italian-label, lined, multi-compartment construction is not sufficiently distinctive for a Coach catalog match.",
                    "Condition: Very Good based on clean visible leather and intact handles, with minor creasing\/handling marks visible in photos 1, 2, and 4; missing shoulder strap reduces completeness and value. Bottom is shown in photo 6, but corners and all interior surfaces are not fully documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.07,
                "confidence": 0.72,
                "estimated_era": "unknown",
                "estimated_resale_high": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any Coach creed patch, wordmark, or style number straight-on in raking light - none shown",
                    "close-up of zipper pull brand stamp",
                    "confirmation of lining material throughout and any interior brand label",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 3: only stamp visible is small leather tab reading MADE IN ITALY, not a Coach creed patch with paragraph and No. line",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible on exterior, interior, hardware or tag",
                    "photo 1,2,5: no turnlock present; closure is top zip, not a Coach classic turnlock flap",
                    "photo 4: interior is leather-lined zip satchel with center zip divider, not unlined suede-back glove-tanned classic construction",
                    "photo 1,2,5,6: silhouette is structured double-handle zip satchel with base feet, does not match catalog City Bag, Willis, Court, Station, Duffle Sac or other classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone hardware: D-rings at handle anchors, zipper teeth and slider, four base feet; warm dull tone consistent with solid brass but no COACH engraving visible",
                    "leather_description": "tan \/ British-tan-like pebbled grain leather with soft sheen, appears thick; exterior and interior same tone",
                    "lining_description": "photo 4: appears leather-lined in same tan leather with interior zip pocket and slip; no fabric lining visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight stitching tone-matched to leather visible at frame and handle anchors (photo 5); no mismatched thread visible",
                    "strap_construction": "twin rolled top handles looped through leather tabs with brass D-rings (photo 1,2,5); no detachable shoulder strap - seller states strap is missing",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,5,6: genuine pebbled leather handbag with brass-tone hardware",
                    "photo 3: Made in Italy origin, consistent with 1990s Italian production era generally",
                    "photo 1,4: leather zipper pull tab and leather interior, not synthetic"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible so no catalog match; shape is double-handle zip satchel with base feet, unlike turnlock flap classics (City, Willis, Court, Station) and unlike Duffle Sac bucket",
                    "Italy origin alone does not indicate Coach; Coach Italy no-serial bags were Dakota\/Sheridan\/Madison\/Sonoma pebbled lines with full creed text, not a lone MADE IN ITALY tab",
                    "Condition: Good; leather clean with light wear, corners and bottom intact (photo 6), handles intact, but seller states shoulder\/long strap is missing which reduces completeness and value"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.07,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17715,
            "output_tokens": 910,
            "total_tokens": 18625,
            "estimated_cost_usd": 0.00927
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18053,
            "output_tokens": 1421,
            "total_tokens": 19474,
            "estimated_cost_usd": 0.004747
        }
    ]
}