Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.87,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: colorblock slouchy hobo silhouette has no visible Coach wordmark, carriage, creed patch, or hangtag",
        "photo 1: construction appears to use synthetic or coated non-leather material, consistent with the seller's non-leather description",
        "photo 2: bright silver-tone rings and hardware are unlike the solid brass hardware typical of many vintage Coach classics",
        "photo 4: exposed edge and strap construction show peeling\/cracking synthetic material and dark edging, not typical glove-tanned leather",
        "photo 5: strap attachment uses generic shiny hardware and heavily deteriorated synthetic trim",
        "photo 6: fabric-lined interior and modern zippered compartments provide no visible Coach identifier",
        "photo 1,2: tan\/white colorblock slouchy hobo silhouette with exterior zip pocket - no recognizable vintage Coach catalog shape, closure or trim",
        "photo 3,4,5: material is peeling\/flaking faux PU - seller states Non-leather - faux\/vegan\/PU per skill caps coach_probability at 0.01-0.03",
        "photo 6: light beige synthetic fabric lining, not unlined suede-back glove-tanned leather",
        "photo 2,4,5: large shiny silver\/gold-tone O-ring strap attachments, plated hollow look, not solid vintage brass",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 6: interior back wall and all pockets should be photographed empty and close-up for any brand label or creed",
        "photo 1: bottom, side panels, and all corners are not fully documented",
        "photo 2: zipper pulls and hardware should be shown close-up for any maker markings",
        "seller-stated dimensions and material composition are not independently verified",
        "photo of main interior compartment and any interior labels\/tags not shown",
        "creed patch not shown - request straight-on interior back wall\/pocket view to confirm absence",
        "close-up of hardware engravings\/zipper brand not shown"
    ],
    "authenticity_concerns": [
        "The bag has generic modern construction, synthetic-looking material, silver-tone hardware, and no visible Coach identifiers; it is more consistent with a non-Coach lookalike or unbranded fashion bag.",
        "photo 4: peeling\/cracked edge material and exposed synthetic layers are inconsistent with vintage glove-tanned Coach leather."
    ],
    "possible_model_reasoning": [
        "The slouchy hobo shape is a generic fashion silhouette and does not match a confidently identifiable Coach model without a creed, wordmark, or style number.",
        "photo 6: the visible fabric lining and modern compartmented construction support a modern non-Coach classification rather than a classic unlined glove-tanned Coach bag.",
        "Condition: Fair\/rehab; photo 4 and photo 5 show peeling, cracking, and separation around load-bearing strap attachments. The synthetic material is unlikely to be meaningfully restored.",
        "Not a Coach model: faux non-leather material, synthetic lining, modern colorblock hobo with O-ring hardware matches modern fast-fashion hobo, not any 1970s-1990s glove-tanned classic or 2000s Coach line",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag in any of 6 photos",
        "Condition: Fair \/ Rehab \/ Parts - active PU peeling\/flaking at strap and attachment points (photo 4-5), strap edge wear (photo 3)"
    ],
    "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 2: shiny silver-tone rings, rivets, zipper hardware, and strap attachments; no Coach engraving visible",
        "leather_description": "photo 1, photo 4, and photo 5: tan and white smooth\/textured material appears synthetic or coated rather than natural leather; peeling and cracking are visible near the strap attachment",
        "lining_description": "photo 6: light-colored fabric-lined interior with zippered compartments; no label or creed is visible",
        "strap_construction": "photo 2 and photo 3: broad padded shoulder strap with layered edge trim and metal ring attachments; photo 4 and photo 5 show substantial edge deterioration",
        "stitching_description": "photo 1 and photo 2: generally visible machine stitching, but uneven wear and deteriorated material appear around the strap attachment points"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "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: colorblock slouchy hobo silhouette has no visible Coach wordmark, carriage, creed patch, or hangtag",
                    "photo 1: construction appears to use synthetic or coated non-leather material, consistent with the seller's non-leather description",
                    "photo 2: bright silver-tone rings and hardware are unlike the solid brass hardware typical of many vintage Coach classics",
                    "photo 4: exposed edge and strap construction show peeling\/cracking synthetic material and dark edging, not typical glove-tanned leather",
                    "photo 5: strap attachment uses generic shiny hardware and heavily deteriorated synthetic trim",
                    "photo 6: fabric-lined interior and modern zippered compartments provide no visible Coach identifier"
                ],
                "missing_information": [
                    "photo 6: interior back wall and all pockets should be photographed empty and close-up for any brand label or creed",
                    "photo 1: bottom, side panels, and all corners are not fully documented",
                    "photo 2: zipper pulls and hardware should be shown close-up for any maker markings",
                    "seller-stated dimensions and material composition are not independently verified"
                ],
                "authenticity_concerns": [
                    "The bag has generic modern construction, synthetic-looking material, silver-tone hardware, and no visible Coach identifiers; it is more consistent with a non-Coach lookalike or unbranded fashion bag.",
                    "photo 4: peeling\/cracked edge material and exposed synthetic layers are inconsistent with vintage glove-tanned Coach leather."
                ],
                "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 2: shiny silver-tone rings, rivets, zipper hardware, and strap attachments; no Coach engraving visible",
                    "leather_description": "photo 1, photo 4, and photo 5: tan and white smooth\/textured material appears synthetic or coated rather than natural leather; peeling and cracking are visible near the strap attachment",
                    "lining_description": "photo 6: light-colored fabric-lined interior with zippered compartments; no label or creed is visible",
                    "strap_construction": "photo 2 and photo 3: broad padded shoulder strap with layered edge trim and metal ring attachments; photo 4 and photo 5 show substantial edge deterioration",
                    "stitching_description": "photo 1 and photo 2: generally visible machine stitching, but uneven wear and deteriorated material appear around the strap attachment points"
                },
                "possible_model_reasoning": [
                    "The slouchy hobo shape is a generic fashion silhouette and does not match a confidently identifiable Coach model without a creed, wordmark, or style number.",
                    "photo 6: the visible fabric lining and modern compartmented construction support a modern non-Coach classification rather than a classic unlined glove-tanned Coach bag.",
                    "Condition: Fair\/rehab; photo 4 and photo 5 show peeling, cracking, and separation around load-bearing strap attachments. The synthetic material is unlikely to be meaningfully restored."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "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": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of main interior compartment and any interior labels\/tags not shown",
                    "creed patch not shown - request straight-on interior back wall\/pocket view to confirm absence",
                    "close-up of hardware engravings\/zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1,2: tan\/white colorblock slouchy hobo silhouette with exterior zip pocket - no recognizable vintage Coach catalog shape, closure or trim",
                    "photo 3,4,5: material is peeling\/flaking faux PU - seller states Non-leather - faux\/vegan\/PU per skill caps coach_probability at 0.01-0.03",
                    "photo 6: light beige synthetic fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 2,4,5: large shiny silver\/gold-tone O-ring strap attachments, plated hollow look, not solid vintage brass",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "large shiny gold\/silver-tone O-rings at strap attachments and exterior zipper with faux-leather pull; bright plated appearance, not solid vintage brass; no COACH stamping visible",
                    "leather_description": "tan and white colorblock faux PU \/ non-leather with pebbled emboss, visible peeling and flaking at strap edges in photo 3-5, dark edge paint\/binding",
                    "lining_description": "light beige\/taupe smooth synthetic fabric visible in exterior pocket photo 6; main interior lining not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast light thread, straight machine stitching around panels and strap; no tight matched-tone vintage Coach stitching observed",
                    "strap_construction": "single shoulder strap in tan faux leather with padded center seam, attached via large metal O-rings with riveted tabs; damage\/peeling at attachment folds",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach model: faux non-leather material, synthetic lining, modern colorblock hobo with O-ring hardware matches modern fast-fashion hobo, not any 1970s-1990s glove-tanned classic or 2000s Coach line",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag in any of 6 photos",
                    "Condition: Fair \/ Rehab \/ Parts - active PU peeling\/flaking at strap and attachment points (photo 4-5), strap edge wear (photo 3)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18098,
            "output_tokens": 822,
            "total_tokens": 18920,
            "estimated_cost_usd": 0.009212
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18649,
            "output_tokens": 1091,
            "total_tokens": 19740,
            "estimated_cost_usd": 0.004603
        }
    ]
}