Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.02,
    "vintage_probability": 0.45,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is covered in faux fur with a small metal frame and chain shoulder strap, unlike the leather or Coach signature-canvas construction expected for vintage Coach.",
        "photo 3: visible interior is fabric-lined and uses a framed kiss-lock opening; no Coach creed, wordmark, carriage, or recognizable Coach identifier is visible.",
        "photo 1: chain hardware and faux-fur exterior provide no specific Coach evidence.",
        "photo 1: body is butter-yellow faux fur, not glove-tanned cowhide - coach_probability <=0.05 per triage rule",
        "photo 1, photo 2: closure is kisslock frame with scissor clasps, no turnlock present",
        "photo 3: interior is tan fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1, photo 2: strap is thin brass-tone chain, not leather buckle-adjustable or dogleash-clip Coach strap",
        "photos 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 1-3: no close-up of any interior label, maker mark, or hardware engraving.",
        "photo 1-3: reverse, bottom, seams, and full strap attachments are not shown in detail.",
        "seller-stated material is faux fur; exact maker and production date are unknown.",
        "photo 3: interior shows no creed patch, no brand label, no fabric tag visible - request straight-on interior label view",
        "photos 1-3: no COACH wordmark, hangtag, or turnlock shown - request hardware close-ups if claimed",
        "photo 3: lining material and base\/edge construction only partly visible - request bottom and side views"
    ],
    "authenticity_concerns": [
        "photo 1-3: the bag lacks visible Coach identifiers and its faux-fur, fabric-lined frame construction is inconsistent with the classic vintage Coach handbag population."
    ],
    "possible_model_reasoning": [
        "photo 1-3: silhouette is a small vintage-style faux-fur frame shoulder bag, not a close match for a documented Coach model.",
        "photo 3: frame closure and fabric lining may indicate a general evening or novelty bag; no Coach-era creed or style-number evidence is present.",
        "Condition: Good as seller states, with fur and lining appearing intact in the available photos; bottom, seams, odor, and hardware function are not fully assessable.",
        "No Coach silhouette match: Cashin kisslock bags (Swinger\/Chubby Clutch\/Double Header) are leather with industrial hardware and striped linings, not faux fur with chain and fabric lining",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag in any of 3 photos",
        "Construction inconsistent with any vintage Coach era: faux fur + fabric lining + chain strap fails Step 1 triage",
        "Condition: Good; fur appears full (photos 1-2), lining shows wear\/soiling (photo 3), frame tarnished"
    ],
    "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 1-3: small metal kiss-lock frame and thin chain shoulder strap are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-3: exterior appears to be pale faux fur, not leather.",
        "lining_description": "photo 3: tan\/brown fabric lining is visible inside the framed compartment.",
        "strap_construction": "photo 1-2: single chain shoulder strap attached at the upper sides of the frame.",
        "stitching_description": "photo 3: fabric lining and frame attachment are visible, but stitching is not clear enough for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is covered in faux fur with a small metal frame and chain shoulder strap, unlike the leather or Coach signature-canvas construction expected for vintage Coach.",
                    "photo 3: visible interior is fabric-lined and uses a framed kiss-lock opening; no Coach creed, wordmark, carriage, or recognizable Coach identifier is visible.",
                    "photo 1: chain hardware and faux-fur exterior provide no specific Coach evidence."
                ],
                "missing_information": [
                    "photo 1-3: no close-up of any interior label, maker mark, or hardware engraving.",
                    "photo 1-3: reverse, bottom, seams, and full strap attachments are not shown in detail.",
                    "seller-stated material is faux fur; exact maker and production date are unknown."
                ],
                "authenticity_concerns": [
                    "photo 1-3: the bag lacks visible Coach identifiers and its faux-fur, fabric-lined frame construction is inconsistent with the classic vintage Coach handbag population."
                ],
                "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 1-3: small metal kiss-lock frame and thin chain shoulder strap are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1-3: exterior appears to be pale faux fur, not leather.",
                    "lining_description": "photo 3: tan\/brown fabric lining is visible inside the framed compartment.",
                    "strap_construction": "photo 1-2: single chain shoulder strap attached at the upper sides of the frame.",
                    "stitching_description": "photo 3: fabric lining and frame attachment are visible, but stitching is not clear enough for detailed assessment."
                },
                "possible_model_reasoning": [
                    "photo 1-3: silhouette is a small vintage-style faux-fur frame shoulder bag, not a close match for a documented Coach model.",
                    "photo 3: frame closure and fabric lining may indicate a general evening or novelty bag; no Coach-era creed or style-number evidence is present.",
                    "Condition: Good as seller states, with fur and lining appearing intact in the available photos; bottom, seams, odor, and hardware function are not fully assessable."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "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": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 3: interior shows no creed patch, no brand label, no fabric tag visible - request straight-on interior label view",
                    "photos 1-3: no COACH wordmark, hangtag, or turnlock shown - request hardware close-ups if claimed",
                    "photo 3: lining material and base\/edge construction only partly visible - request bottom and side views"
                ],
                "negative_evidence": [
                    "photo 1: body is butter-yellow faux fur, not glove-tanned cowhide - coach_probability <=0.05 per triage rule",
                    "photo 1, photo 2: closure is kisslock frame with scissor clasps, no turnlock present",
                    "photo 3: interior is tan fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1, photo 2: strap is thin brass-tone chain, not leather buckle-adjustable or dogleash-clip Coach strap",
                    "photos 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone kisslock frame with twin scissor clasps and thin brass-tone chain shoulder strap; tarnished vintage tone, not solid brass Coach turnlock hardware",
                    "leather_description": "no leather visible; shaggy butter-yellow faux fur exterior as stated in listing title",
                    "lining_description": "tan \/ mustard fabric lining visible in photo 3, wrinkled with light soiling",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - obscured by fur and frame",
                    "strap_construction": "thin metal chain attached directly to frame ends, no leather shoulder strap, no buckle or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: Cashin kisslock bags (Swinger\/Chubby Clutch\/Double Header) are leather with industrial hardware and striped linings, not faux fur with chain and fabric lining",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag in any of 3 photos",
                    "Construction inconsistent with any vintage Coach era: faux fur + fabric lining + chain strap fails Step 1 triage",
                    "Condition: Good; fur appears full (photos 1-2), lining shows wear\/soiling (photo 3), frame tarnished"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
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            "output_tokens": 647,
            "total_tokens": 17259,
            "estimated_cost_usd": 0.008198
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}