Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.885,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is a simple rectangular crossbody with a wide patterned textile guitar strap, unlike a recognizable vintage Coach silhouette.",
        "photo 1: The body appears to be wrinkled vegan or synthetic leather, matching the seller's description; vintage Coach classics use natural leather rather than vegan leather.",
        "photo 2: The exterior has no visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 3: The interior has a striped synthetic-looking lining and no visible Coach creed patch.",
        "photo 1: The strap and hardware appear contemporary and fashion-oriented rather than characteristic solid-brass vintage Coach construction.",
        "photo 1, photo 2: coated faux\/vegan leather with wrinkled plastic-like sheen and high gloss, not glove-tanned cowhide",
        "photo 3: fully lined interior with brown polyester with black pinstripe, not unlined suede-back glove-tanned leather",
        "photo 1, photo 2: modern wide woven guitar strap plus thin faux-leather strap, not vintage Coach buckle-adjustable leather strap with brass dogleash clips",
        "photo 1, photo 2, photo 3: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "title states Vegan Leather Women's Crossbody Bag, seller_brand Unbranded - consistent with modern fast-fashion construction"
    ],
    "missing_information": [
        "photo 1-3: No bottom, side, or close-up hardware views are provided.",
        "photo 3: No close-up of all interior pockets, seams, or fabric labels is provided.",
        "photo 1-2: No close-up of zipper-pull markings or strap attachment hardware is provided.",
        "No Coach creed or fabric tag visible - interior already shown in photo 3 with no leather patch, no further Coach verification needed",
        "No hardware engraving close-up shown, but no Coach wordmark visible on exterior or interior in photos 1-3",
        "No bottom \/ corner close-up, but material and lining already exclude vintage Coach"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 3: Vegan\/synthetic construction and a printed striped lining are inconsistent with the classic vintage Coach leather-bag population.",
        "photo 1-3: No Coach identifier is visible; the item appears to be a generic modern bag rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "No Coach model fits: zip-top crossbody silhouette with back zip pocket, faux leather, polyester lining and guitar strap does not match any vintage Coach catalog style",
        "No creed, serial, wordmark, turnlock or hangtag to decode; era by construction is modern non-Coach fast fashion",
        "Condition: Like New \/ Excellent appearance; surface clean in photos 1-2, interior clean with packing tissue in photo 3, but graded as modern synthetic bag not vintage leather"
    ],
    "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: Silver-tone buckles, strap adjusters, clips, and zipper hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-2: Dark brown, heavily wrinkled synthetic or vegan leather-like material; seller explicitly describes it as vegan leather.",
        "lining_description": "photo 3: Dark striped fabric lining with an interior zip pocket; no creed patch is visible.",
        "strap_construction": "photo 1-2: Wide woven gray patterned guitar strap with adjustable buckle hardware, plus narrow synthetic-leather attachment straps.",
        "stitching_description": "photo 1-3: Machine-stitched perimeter seams appear generally even; no distinctive Coach construction detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "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": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag is a simple rectangular crossbody with a wide patterned textile guitar strap, unlike a recognizable vintage Coach silhouette.",
                    "photo 1: The body appears to be wrinkled vegan or synthetic leather, matching the seller's description; vintage Coach classics use natural leather rather than vegan leather.",
                    "photo 2: The exterior has no visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 3: The interior has a striped synthetic-looking lining and no visible Coach creed patch.",
                    "photo 1: The strap and hardware appear contemporary and fashion-oriented rather than characteristic solid-brass vintage Coach construction."
                ],
                "missing_information": [
                    "photo 1-3: No bottom, side, or close-up hardware views are provided.",
                    "photo 3: No close-up of all interior pockets, seams, or fabric labels is provided.",
                    "photo 1-2: No close-up of zipper-pull markings or strap attachment hardware is provided."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 3: Vegan\/synthetic construction and a printed striped lining are inconsistent with the classic vintage Coach leather-bag population.",
                    "photo 1-3: No Coach identifier is visible; the item appears to be a generic modern bag rather than a Coach product."
                ],
                "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: Silver-tone buckles, strap adjusters, clips, and zipper hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1-2: Dark brown, heavily wrinkled synthetic or vegan leather-like material; seller explicitly describes it as vegan leather.",
                    "lining_description": "photo 3: Dark striped fabric lining with an interior zip pocket; no creed patch is visible.",
                    "strap_construction": "photo 1-2: Wide woven gray patterned guitar strap with adjustable buckle hardware, plus narrow synthetic-leather attachment straps.",
                    "stitching_description": "photo 1-3: Machine-stitched perimeter seams appear generally even; no distinctive Coach construction detail is visible."
                },
                "possible_model_reasoning": [],
                "confidence": 0.92,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed or fabric tag visible - interior already shown in photo 3 with no leather patch, no further Coach verification needed",
                    "No hardware engraving close-up shown, but no Coach wordmark visible on exterior or interior in photos 1-3",
                    "No bottom \/ corner close-up, but material and lining already exclude vintage Coach"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: coated faux\/vegan leather with wrinkled plastic-like sheen and high gloss, not glove-tanned cowhide",
                    "photo 3: fully lined interior with brown polyester with black pinstripe, not unlined suede-back glove-tanned leather",
                    "photo 1, photo 2: modern wide woven guitar strap plus thin faux-leather strap, not vintage Coach buckle-adjustable leather strap with brass dogleash clips",
                    "photo 1, photo 2, photo 3: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "title states Vegan Leather Women's Crossbody Bag, seller_brand Unbranded - consistent with modern fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "light gold-tone zip-top zipper and back-wall zipper, rectangular buckle sliders on straps; plated modern hardware, not solid brass vintage hardware",
                    "leather_description": "dark brown faux\/vegan leather with wrinkled coated surface and glossy sheen in photos 1-2, not glove-tanned cowhide",
                    "lining_description": "photo 3: brown woven fabric with black vertical pinstripes, polyester lining with interior zip pocket and slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around front panel and edges, thread matched to body, visible in photos 1-2",
                    "strap_construction": "thin double faux-leather shoulder strap on swivel clips plus separate wide woven grey chevron guitar strap with buckle adjustment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top crossbody silhouette with back zip pocket, faux leather, polyester lining and guitar strap does not match any vintage Coach catalog style",
                    "No creed, serial, wordmark, turnlock or hangtag to decode; era by construction is modern non-Coach fast fashion",
                    "Condition: Like New \/ Excellent appearance; surface clean in photos 1-2, interior clean with packing tissue in photo 3, but graded as modern synthetic bag not vintage leather"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}