Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.86,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather handbag\/tote with handles, side rings, and a detachable shoulder strap.",
        "photo 5: Gold-tone hardware and a front strap closure are visible, but these are generic construction features rather than Coach-specific evidence.",
        "photo 1,4: leather-appearing large tote with brass-tone hardware in burgundy - general material class only, no Coach-specific detail"
    ],
    "negative_evidence": [
        "photo 1: The glossy, heavily embossed\/textured leather and elaborate front hardware do not resemble classic Coach glove-tanned leather construction.",
        "photo 1: No legible Coach wordmark, horse-and-carriage mark, creed patch, or hangtag is visible.",
        "photo 2: The repeated display of nearly identical bags in a polished marketing-style setting is not evidence of Coach manufacture.",
        "photo 3: The large modern work-tote silhouette and prominent front zipper\/strap arrangement do not match a clearly identifiable vintage Coach catalog model.",
        "photo 4: The exterior appears heavily textured and coated rather than the matte-to-satin glove-tanned leather typical of many vintage Coach classics.",
        "photo 5: The visible hardware is ornate and plated-looking, unlike the restrained solid-brass hardware typical of vintage Coach classics.",
        "photo 6: No Coach identifier is visible on the front, sides, strap, or hardware.",
        "photo 1,4,5,6: belted front with Hermes-style strap-and-turn stud closure and front zip pocket - silhouette matches no vintage Coach catalog style",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible on exterior",
        "photo 2: same style shown in three colors on retail counter with staged decor - indicates new mass-produced stock, not vintage single item",
        "photo 4: detachable shoulder strap with spring-clips and D-rings, rolled handles with rivets - generic modern construction, not Coach dogleash \/ buckle-adjust construction",
        "photo 1,4,5: pebbled coated leather with uniform sheen - not matte glove-tanned cowhide with suede back"
    ],
    "missing_information": [
        "photo 1-6: No interior close-up showing a creed patch, fabric label, or style tag.",
        "photo 1-6: No close-up of zipper pulls or hardware stamps.",
        "photo 1-6: No bottom, interior, or construction-detail photographs sufficient to verify lining and material composition.",
        "photo 1-6: Seller-stated Italian genuine leather is not independently verifiable from the photos.",
        "photo of interior lining and any interior patch \/ creed \/ fabric tags - interior never shown",
        "photo of bottom and corners for wear",
        "close-up of hardware engravings \/ zipper-pull brand stamp",
        "photo of hangtag if present (none visible)",
        "seller-stated dimensions and materials"
    ],
    "authenticity_concerns": [
        "photo 1: The combination of a modern-looking embossed leather tote, ornate strap hardware, and absence of all Coach identifiers is consistent with a generic or lookalike bag rather than Coach.",
        "photo 2: Marketing-style presentation and multiple colorways provide no manufacturing provenance and should not be treated as brand evidence."
    ],
    "possible_model_reasoning": [
        "photo 1: The bag is not sufficiently similar to a documented vintage Coach model to name a candidate; the large structured tote with elaborate front strap hardware is generic or likely inspired by other designer work bags.",
        "photo 1-6: No creed, serial, Coach wordmark, hangtag, or horse-and-carriage identifier is visible, so Coach-specific dating is not possible.",
        "photo 1-6: Condition appears approximately Very Good based on clean visible exterior and intact handles, but interior, bottom, odor, and hidden wear are unknown.",
        "No Coach model fits: belted Birkin-style front, front zip pocket placement, handle mounts and proportions match no City Bag, Court, Station, Willis or other classic; no serial decode possible; Condition appears New\/Like New based on staged photos but interior and bottom not shown so grade capped"
    ],
    "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: Gold-tone rectangular front strap fittings, central rotating clasp, rivets, zipper hardware, and side rings are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Burgundy\/magenta glossy, heavily textured or embossed leather-like exterior is visible; exact material cannot be confirmed.",
        "lining_description": "photo 1: A matching dark burgundy interior edge is partially visible; full lining and construction are not shown.",
        "strap_construction": "photo 5: Two rolled or padded top handles with riveted attachments and a detachable adjustable shoulder strap with metal clips are visible.",
        "stitching_description": "photo 5: Exterior seams and handle attachments appear machine-stitched and generally even; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather handbag\/tote with handles, side rings, and a detachable shoulder strap.",
                    "photo 5: Gold-tone hardware and a front strap closure are visible, but these are generic construction features rather than Coach-specific evidence."
                ],
                "negative_evidence": [
                    "photo 1: The glossy, heavily embossed\/textured leather and elaborate front hardware do not resemble classic Coach glove-tanned leather construction.",
                    "photo 1: No legible Coach wordmark, horse-and-carriage mark, creed patch, or hangtag is visible.",
                    "photo 2: The repeated display of nearly identical bags in a polished marketing-style setting is not evidence of Coach manufacture.",
                    "photo 3: The large modern work-tote silhouette and prominent front zipper\/strap arrangement do not match a clearly identifiable vintage Coach catalog model.",
                    "photo 4: The exterior appears heavily textured and coated rather than the matte-to-satin glove-tanned leather typical of many vintage Coach classics.",
                    "photo 5: The visible hardware is ornate and plated-looking, unlike the restrained solid-brass hardware typical of vintage Coach classics.",
                    "photo 6: No Coach identifier is visible on the front, sides, strap, or hardware."
                ],
                "missing_information": [
                    "photo 1-6: No interior close-up showing a creed patch, fabric label, or style tag.",
                    "photo 1-6: No close-up of zipper pulls or hardware stamps.",
                    "photo 1-6: No bottom, interior, or construction-detail photographs sufficient to verify lining and material composition.",
                    "photo 1-6: Seller-stated Italian genuine leather is not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photo 1: The combination of a modern-looking embossed leather tote, ornate strap hardware, and absence of all Coach identifiers is consistent with a generic or lookalike bag rather than Coach.",
                    "photo 2: Marketing-style presentation and multiple colorways provide no manufacturing provenance and should not be treated as brand evidence."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Gold-tone rectangular front strap fittings, central rotating clasp, rivets, zipper hardware, and side rings are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Burgundy\/magenta glossy, heavily textured or embossed leather-like exterior is visible; exact material cannot be confirmed.",
                    "lining_description": "photo 1: A matching dark burgundy interior edge is partially visible; full lining and construction are not shown.",
                    "strap_construction": "photo 5: Two rolled or padded top handles with riveted attachments and a detachable adjustable shoulder strap with metal clips are visible.",
                    "stitching_description": "photo 5: Exterior seams and handle attachments appear machine-stitched and generally even; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "photo 1: The bag is not sufficiently similar to a documented vintage Coach model to name a candidate; the large structured tote with elaborate front strap hardware is generic or likely inspired by other designer work bags.",
                    "photo 1-6: No creed, serial, Coach wordmark, hangtag, or horse-and-carriage identifier is visible, so Coach-specific dating is not possible.",
                    "photo 1-6: Condition appears approximately Very Good based on clean visible exterior and intact handles, but interior, bottom, odor, and hidden wear are unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior patch \/ creed \/ fabric tags - interior never shown",
                    "photo of bottom and corners for wear",
                    "close-up of hardware engravings \/ zipper-pull brand stamp",
                    "photo of hangtag if present (none visible)",
                    "seller-stated dimensions and materials"
                ],
                "negative_evidence": [
                    "photo 1,4,5,6: belted front with Hermes-style strap-and-turn stud closure and front zip pocket - silhouette matches no vintage Coach catalog style",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible on exterior",
                    "photo 2: same style shown in three colors on retail counter with staged decor - indicates new mass-produced stock, not vintage single item",
                    "photo 4: detachable shoulder strap with spring-clips and D-rings, rolled handles with rivets - generic modern construction, not Coach dogleash \/ buckle-adjust construction",
                    "photo 1,4,5: pebbled coated leather with uniform sheen - not matte glove-tanned cowhide with suede back"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antique brass-tone belt hardware with slotted plates and center stud, front zip with rectangular pull, round rivets, side D-rings for shoulder strap",
                    "leather_description": "burgundy pebbled leather with uniform grain and light sheen, appears coated\/textured, not vintage glove-tanned patina",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching visible along belt straps and top edge in photos 1,4,5",
                    "strap_construction": "two short rolled top handles attached with riveted tabs and rectangular rings; detachable flat shoulder strap with swivel clips shown in photo 4",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,4: leather-appearing large tote with brass-tone hardware in burgundy - general material class only, no Coach-specific detail"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: belted Birkin-style front, front zip pocket placement, handle mounts and proportions match no City Bag, Court, Station, Willis or other classic; no serial decode possible; Condition appears New\/Like New based on staged photos but interior and bottom not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26354,
            "output_tokens": 982,
            "total_tokens": 27336,
            "estimated_cost_usd": 0.012898
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27556,
            "output_tokens": 1578,
            "total_tokens": 29134,
            "estimated_cost_usd": 0.006774
        }
    ]
}