Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.85,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: front view shows a generic rectangular pebbled black crossbody with a plain snap, not a recognizable Coach turnlock or Coach silhouette",
        "photo 3: interior shows a modern brown fabric organizer, card slots, and zippered center compartment; no Coach creed patch, wordmark, or horse-and-carriage is visible",
        "photo 4: side view shows modern narrow construction and a thin attached crossbody strap, unlike the catalogued classic vintage Coach styles",
        "photo 5: stated dimensions of approximately 17 \u00d7 20 \u00d7 5 cm describe a compact phone bag rather than a likely vintage Coach classic",
        "photo 1,4,5: small phone-sling silhouette 17x20x5cm with leather-covered snap, no turnlock, no brass hardware, matches no vintage Coach catalog style",
        "photo 3: brown synthetic fabric lining with center zip organizer and card slots, not unlined glove-tanned suede-back leather",
        "photo 1,2,4,5: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
        "photo 1,3: thin fixed crossbody strap with looped top mounts, not buckle-adjustable or dogleash-clip Coach construction"
    ],
    "missing_information": [
        "photo 3: no straight-on close-up of every interior wall or pocket seam to definitively exclude a concealed brand label",
        "photo 1\/photo 4: hardware and zipper-pull close-ups are not provided",
        "photo 1\/photo 4: bottom, corner, strap attachment, and stitching close-ups are limited",
        "seller-provided photos appear highly polished or possibly promotional rather than ordinary ownership photos",
        "photo 3 shows interior but no creed patch or brand label close-up visible - request straight-on interior wall photo",
        "no back, bottom, or hardware stamp close-ups shown",
        "no hangtag or wordmark detail photos"
    ],
    "authenticity_concerns": [
        "photo 1\/photo 3: the bag has no visible Coach identifier and its modern organizer construction does not support a vintage Coach attribution",
        "photo 1: the plain snap and glossy pebbled exterior are generic lookalike construction, with no visible Coach-specific hardware"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the compact 17 \u00d7 20 \u00d7 5 cm phone-bag format, plain snap, and compartmentalized fabric organizer are modern generic features rather than a documented vintage Coach silhouette.",
        "Condition appears Like New or New based on the promotional photos, with no visible wear; ordinary ownership condition, odor, and hidden defects cannot be assessed.",
        "No Coach identifiers visible in any of 5 photos; construction (fabric-lined phone organizer, snap closure, thin strap) inconsistent with 1970s-1990s glove-tanned classics",
        "Silhouette and size 17x20x5cm do not match Dinky (9375), Pocket Purse (9755), Station (5130) or other small crossbodies in closure, strap or proportions",
        "Condition appears New\/unused studio product photos: uniform leather, clean interior, no wear visible, but graded as modern non-Coach"
    ],
    "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\/photo 3: plain black snap closure and gold-tone zipper hardware; no Coach engraving visible",
        "leather_description": "photo 1\/photo 4: black, heavily pebbled glossy material described by the seller as genuine leather; exact leather type cannot be verified from photos",
        "lining_description": "photo 3: brown fabric-lined interior with a central zippered organizer, card slots, and open compartments",
        "strap_construction": "photo 1\/photo 4: long narrow black shoulder strap attached to the bag; adjustment hardware and attachment details are not clearly shown",
        "stitching_description": "photo 1\/photo 4: visible edge stitching appears generally even, but close stress-point inspection is unavailable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: front view shows a generic rectangular pebbled black crossbody with a plain snap, not a recognizable Coach turnlock or Coach silhouette",
                    "photo 3: interior shows a modern brown fabric organizer, card slots, and zippered center compartment; no Coach creed patch, wordmark, or horse-and-carriage is visible",
                    "photo 4: side view shows modern narrow construction and a thin attached crossbody strap, unlike the catalogued classic vintage Coach styles",
                    "photo 5: stated dimensions of approximately 17 \u00d7 20 \u00d7 5 cm describe a compact phone bag rather than a likely vintage Coach classic"
                ],
                "missing_information": [
                    "photo 3: no straight-on close-up of every interior wall or pocket seam to definitively exclude a concealed brand label",
                    "photo 1\/photo 4: hardware and zipper-pull close-ups are not provided",
                    "photo 1\/photo 4: bottom, corner, strap attachment, and stitching close-ups are limited",
                    "seller-provided photos appear highly polished or possibly promotional rather than ordinary ownership photos"
                ],
                "authenticity_concerns": [
                    "photo 1\/photo 3: the bag has no visible Coach identifier and its modern organizer construction does not support a vintage Coach attribution",
                    "photo 1: the plain snap and glossy pebbled exterior are generic lookalike construction, with no visible Coach-specific hardware"
                ],
                "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\/photo 3: plain black snap closure and gold-tone zipper hardware; no Coach engraving visible",
                    "leather_description": "photo 1\/photo 4: black, heavily pebbled glossy material described by the seller as genuine leather; exact leather type cannot be verified from photos",
                    "lining_description": "photo 3: brown fabric-lined interior with a central zippered organizer, card slots, and open compartments",
                    "strap_construction": "photo 1\/photo 4: long narrow black shoulder strap attached to the bag; adjustment hardware and attachment details are not clearly shown",
                    "stitching_description": "photo 1\/photo 4: visible edge stitching appears generally even, but close stress-point inspection is unavailable"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the compact 17 \u00d7 20 \u00d7 5 cm phone-bag format, plain snap, and compartmentalized fabric organizer are modern generic features rather than a documented vintage Coach silhouette.",
                    "Condition appears Like New or New based on the promotional photos, with no visible wear; ordinary ownership condition, odor, and hidden defects cannot be assessed."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 3 shows interior but no creed patch or brand label close-up visible - request straight-on interior wall photo",
                    "no back, bottom, or hardware stamp close-ups shown",
                    "no hangtag or wordmark detail photos"
                ],
                "negative_evidence": [
                    "photo 1,4,5: small phone-sling silhouette 17x20x5cm with leather-covered snap, no turnlock, no brass hardware, matches no vintage Coach catalog style",
                    "photo 3: brown synthetic fabric lining with center zip organizer and card slots, not unlined glove-tanned suede-back leather",
                    "photo 1,2,4,5: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
                    "photo 1,3: thin fixed crossbody strap with looped top mounts, not buckle-adjustable or dogleash-clip Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "leather-covered snap and small gold-tone zipper and snaps; no solid brass turnlock, buckle, D-rings or dogleash clips visible",
                    "leather_description": "black pebbled-grain leather with uniform modern finish; not vintage glove-tanned patina visible in photo 1,4,5",
                    "lining_description": "brown fabric lining with zippered center divider and slip\/card pockets visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin edge stitching tone-on-tone, visible on strap; no detailed stress-point stitching visible",
                    "strap_construction": "thin fixed-length crossbody strap looped through top loops, no buckle adjustment or detachable clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any of 5 photos; construction (fabric-lined phone organizer, snap closure, thin strap) inconsistent with 1970s-1990s glove-tanned classics",
                    "Silhouette and size 17x20x5cm do not match Dinky (9375), Pocket Purse (9755), Station (5130) or other small crossbodies in closure, strap or proportions",
                    "Condition appears New\/unused studio product photos: uniform leather, clean interior, no wear visible, but graded as modern non-Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24694,
            "output_tokens": 856,
            "total_tokens": 25550,
            "estimated_cost_usd": 0.011932
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25508,
            "output_tokens": 1231,
            "total_tokens": 26739,
            "estimated_cost_usd": 0.006086
        }
    ]
}