Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.095,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.7,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.81,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder handbag with black leather-like exterior and multiple compartments.",
        "photo 1: The bag has a flap and metal closure, but these features are generic and not specifically Coach.",
        "photo 1: is a black leather-type shoulder handbag\/tote with front pocket"
    ],
    "negative_evidence": [
        "photo 1: The large bright silver clasp is chunky and unlike the elegant solid-brass turnlocks typical of vintage Coach classics.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, leather hangtag, or creed patch.",
        "photo 2: Interior appears to use dark synthetic fabric lining rather than the suede-backed unlined construction common to classic vintage Coach bags.",
        "photo 1: The exterior has a glossy, heavily worn finish and generic pocket construction that does not strongly match a cataloged Coach silhouette.",
        "photo 1: Hardware appears silver-tone and plated, while most comparable vintage Coach classics use brass-tone hardware.",
        "photo 1,4,6: silver-tone plated hardware, not vintage Coach solid brass",
        "photo 1,4,6: front push-lock\/clasp shape chunky and unlike Coach turnlock oval plate with slim tab",
        "photo 2: black woven fabric lining with zip pocket, not unlined suede-back glove-tanned leather",
        "photo 1,4,6: exterior front zip + flap pocket tote silhouette matches no Coach catalog style",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 2: The interior back wall and all pockets should be photographed straight-on to confirm whether any creed or fabric brand tag is present.",
        "A close-up of the zipper pulls and clasp should be provided to check for maker markings.",
        "Photos of the bottom, corners, side seams, and strap attachments are needed for a complete construction and condition assessment.",
        "Seller-stated material, dimensions, country of manufacture, and any interior label information are unavailable.",
        "creed patch close-up not shown - no stamped leather patch visible in photo 2",
        "back, side, bottom corner close-ups not shown",
        "hardware brand stamps \/ Made-in tag not shown",
        "hangtag both faces not shown (none visible)"
    ],
    "authenticity_concerns": [
        "photo 1: The generic chunky silver clasp, fabric lining, and lack of any visible Coach identifier are inconsistent with a typical vintage Coach glove-tanned classic.",
        "photo 2: The synthetic-looking lining and generic zipper construction provide no supporting Coach evidence.",
        "photo 1,4: silver-tone plated push-lock\/clasp is not Coach solid-brass turnlock geometry",
        "photo 2: fully fabric-lined interior inconsistent with vintage Coach unlined glove-tanned classics"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic large shoulder tote with a front flap pocket and silver clasp; it does not closely correspond to a recognizable Coach classic model.",
        "No visible creed, serial\/style number, hangtag, or wordmark supports a Coach attribution.",
        "Condition: Good to Fair; substantial scuffing and surface wear are visible on the front pocket and body (photos 1 and 2), while the bottom, corners, odor, and strap stress points are not fully documented.",
        "No Coach model fits: tote with exterior zip over flap push-lock pocket, silver hardware, fabric lining and fixed double straps is inconsistent with City Bag, Willis, Court, Station and other classics",
        "No serial\/creed decode possible - no identifier visible",
        "Condition: Good to Fair; surface wear, scuffs, edge soiling and interior staining visible (photo 1,2,6), lining failure unknown"
    ],
    "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: Bright silver-tone metal clasp with a chunky decorative snap\/turn closure; small silver-tone zipper pulls are visible. No Coach engraving is visible.",
        "leather_description": "photo 1: Black smooth, glossy leather-like material with substantial scuffing and surface wear; exact material cannot be confirmed from photos.",
        "lining_description": "photo 2: Dark fabric lining with visible dust and wear; no brand label or creed is visible.",
        "strap_construction": "photos 1 and 3: Two long fixed shoulder straps, apparently stitched to the upper bag; no adjustable hardware is visible.",
        "stitching_description": "photos 1 and 6: Visible perimeter and pocket stitching appears machine-sewn and generally straight, though close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.8,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder handbag with black leather-like exterior and multiple compartments.",
                    "photo 1: The bag has a flap and metal closure, but these features are generic and not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: The large bright silver clasp is chunky and unlike the elegant solid-brass turnlocks typical of vintage Coach classics.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, leather hangtag, or creed patch.",
                    "photo 2: Interior appears to use dark synthetic fabric lining rather than the suede-backed unlined construction common to classic vintage Coach bags.",
                    "photo 1: The exterior has a glossy, heavily worn finish and generic pocket construction that does not strongly match a cataloged Coach silhouette.",
                    "photo 1: Hardware appears silver-tone and plated, while most comparable vintage Coach classics use brass-tone hardware."
                ],
                "missing_information": [
                    "photo 2: The interior back wall and all pockets should be photographed straight-on to confirm whether any creed or fabric brand tag is present.",
                    "A close-up of the zipper pulls and clasp should be provided to check for maker markings.",
                    "Photos of the bottom, corners, side seams, and strap attachments are needed for a complete construction and condition assessment.",
                    "Seller-stated material, dimensions, country of manufacture, and any interior label information are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: The generic chunky silver clasp, fabric lining, and lack of any visible Coach identifier are inconsistent with a typical vintage Coach glove-tanned classic.",
                    "photo 2: The synthetic-looking lining and generic zipper construction provide no supporting Coach 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Bright silver-tone metal clasp with a chunky decorative snap\/turn closure; small silver-tone zipper pulls are visible. No Coach engraving is visible.",
                    "leather_description": "photo 1: Black smooth, glossy leather-like material with substantial scuffing and surface wear; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 2: Dark fabric lining with visible dust and wear; no brand label or creed is visible.",
                    "strap_construction": "photos 1 and 3: Two long fixed shoulder straps, apparently stitched to the upper bag; no adjustable hardware is visible.",
                    "stitching_description": "photos 1 and 6: Visible perimeter and pocket stitching appears machine-sewn and generally straight, though close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic large shoulder tote with a front flap pocket and silver clasp; it does not closely correspond to a recognizable Coach classic model.",
                    "No visible creed, serial\/style number, hangtag, or wordmark supports a Coach attribution.",
                    "Condition: Good to Fair; substantial scuffing and surface wear are visible on the front pocket and body (photos 1 and 2), while the bottom, corners, odor, and strap stress points are not fully documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1,4: silver-tone plated push-lock\/clasp is not Coach solid-brass turnlock geometry",
                    "photo 2: fully fabric-lined interior inconsistent with vintage Coach unlined glove-tanned classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch close-up not shown - no stamped leather patch visible in photo 2",
                    "back, side, bottom corner close-ups not shown",
                    "hardware brand stamps \/ Made-in tag not shown",
                    "hangtag both faces not shown (none visible)"
                ],
                "negative_evidence": [
                    "photo 1,4,6: silver-tone plated hardware, not vintage Coach solid brass",
                    "photo 1,4,6: front push-lock\/clasp shape chunky and unlike Coach turnlock oval plate with slim tab",
                    "photo 2: black woven fabric lining with zip pocket, not unlined suede-back glove-tanned leather",
                    "photo 1,4,6: exterior front zip + flap pocket tote silhouette matches no Coach catalog style",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone plated push-lock front pocket clasp with two rivets, silver-tone exterior zipper with bar pull; bright plated finish, not solid brass",
                    "leather_description": "black smooth leather or faux leather tote, shiny worn surface with scuffs and white rub marks on front pocket (photo 1,4,6)",
                    "lining_description": "black fabric lining with interior zip pocket with black pull (photo 2), stained\/soiled",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching tone-on-tone, visible around front pocket and top edge; no detail close-up",
                    "strap_construction": "two fixed narrow double shoulder straps, sewn directly to body, no buckle adjustment or dogleash clips (photo 1,3,5)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: is a black leather-type shoulder handbag\/tote with front pocket"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tote with exterior zip over flap push-lock pocket, silver hardware, fabric lining and fixed double straps is inconsistent with City Bag, Willis, Court, Station and other classics",
                    "No serial\/creed decode possible - no identifier visible",
                    "Condition: Good to Fair; surface wear, scuffs, edge soiling and interior staining visible (photo 1,2,6), lining failure unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 836,
            "total_tokens": 29607,
            "estimated_cost_usd": 0.013515
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30084,
            "output_tokens": 1257,
            "total_tokens": 31341,
            "estimated_cost_usd": 0.007022
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}