Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.7,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.86,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Black structured handbag with detachable shoulder strap is clearly visible, but it has no visible Coach wordmark, carriage, creed patch, hangtag, or other Coach identifier.",
        "photo 1: Surface appears synthetic or coated with a regular crosshatch texture rather than vintage glove-tanned leather.",
        "photo 1: Oversized, highly polished gold-tone handle\/zipper hardware is inconsistent with typical vintage Coach classic construction.",
        "photo 2: The bag has a modern structured silhouette, exposed top zipper, and plated hardware; no recognizable vintage Coach model details are visible.",
        "photo 2: The seller labels the item unbranded, and the photos provide no contrary brand evidence.",
        "photo 1, photo 2: black saffiano-embossed coated\/faux material, not glove-tanned cowhide",
        "photo 1, photo 2: bright gold-tone plated frame top handles and zippers, not vintage solid brass",
        "photo 1, photo 2: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1, photo 2: rigid boxy zip-top silhouette with metal frame handles and thin detachable strap matches modern fast-fashion, no Coach catalog match"
    ],
    "missing_information": [
        "photo 1-2: Interior is not shown; request an emptied interior, lining, labels, and any creed or fabric tag.",
        "photo 1-2: No close-up of zipper pulls, hardware engravings, or strap attachment points.",
        "photo 1-2: Bottom, side gussets, corners, and full strap condition are not shown.",
        "photo 1-2: Material composition and measurements are not provided.",
        "interior views including lining and any interior patch or labels not shown",
        "creed patch close-up not shown",
        "hardware brand stamps and zipper pull markings not shown",
        "bottom, side and scale\/dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 1: Synthetic-looking crosshatch material and bright oversized plated hardware suggest a generic modern lookalike rather than Coach.",
        "photo 1-2: No Coach identifiers are visible; the silhouette alone is not sufficient to attribute the bag to Coach.",
        "photo 1, photo 2: materials and hardware inconsistent with Coach manufacture - synthetic saffiano-embossed body and bright plated hardware, no Coach identifiers"
    ],
    "possible_model_reasoning": [
        "photo 1-2: No Coach model is a reasonable match because the bag lacks a Coach identifier and uses a modern structured, synthetic-looking construction.",
        "photo 1-2: Estimated era is modern based on the coated crosshatch material, plated hardware, exposed zipper design, and contemporary structured shape.",
        "photo 1-2: Condition appears approximately Very Good from the visible exterior, with light hardware scuffing and no obvious major damage; interior and bottom condition are unknown.",
        "No Coach model fits: frame-handle zip-top crossbody with back zip pocket and saffiano synthetic body has no counterpart in Classic or modern Coach catalog",
        "Era reasoning: construction, plated hardware and material indicate modern (2000s+) non-Coach fast fashion",
        "Condition: Good to Very Good exterior wear visible; full grade capped because interior, bottom and strap details not shown"
    ],
    "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 1-2: Highly polished gold-tone top handle assembly, top zipper, rear zipper, strap clips, and buckle; no legible branding visible.",
        "leather_description": "photo 1-2: Appears to be black synthetic or coated material with a regular crosshatch finish; natural leather cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: Detachable narrow matching black strap with gold-tone clips and an adjustable buckle.",
        "stitching_description": "photo 1-2: Visible perimeter stitching appears generally even, though close-up stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.8,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Black structured handbag with detachable shoulder strap is clearly visible, but it has no visible Coach wordmark, carriage, creed patch, hangtag, or other Coach identifier.",
                    "photo 1: Surface appears synthetic or coated with a regular crosshatch texture rather than vintage glove-tanned leather.",
                    "photo 1: Oversized, highly polished gold-tone handle\/zipper hardware is inconsistent with typical vintage Coach classic construction.",
                    "photo 2: The bag has a modern structured silhouette, exposed top zipper, and plated hardware; no recognizable vintage Coach model details are visible.",
                    "photo 2: The seller labels the item unbranded, and the photos provide no contrary brand evidence."
                ],
                "missing_information": [
                    "photo 1-2: Interior is not shown; request an emptied interior, lining, labels, and any creed or fabric tag.",
                    "photo 1-2: No close-up of zipper pulls, hardware engravings, or strap attachment points.",
                    "photo 1-2: Bottom, side gussets, corners, and full strap condition are not shown.",
                    "photo 1-2: Material composition and measurements are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Synthetic-looking crosshatch material and bright oversized plated hardware suggest a generic modern lookalike rather than Coach.",
                    "photo 1-2: No Coach identifiers are visible; the silhouette alone is not sufficient to attribute the bag to Coach."
                ],
                "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 1-2: Highly polished gold-tone top handle assembly, top zipper, rear zipper, strap clips, and buckle; no legible branding visible.",
                    "leather_description": "photo 1-2: Appears to be black synthetic or coated material with a regular crosshatch finish; natural leather cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: Detachable narrow matching black strap with gold-tone clips and an adjustable buckle.",
                    "stitching_description": "photo 1-2: Visible perimeter stitching appears generally even, though close-up stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "photo 1-2: No Coach model is a reasonable match because the bag lacks a Coach identifier and uses a modern structured, synthetic-looking construction.",
                    "photo 1-2: Estimated era is modern based on the coated crosshatch material, plated hardware, exposed zipper design, and contemporary structured shape.",
                    "photo 1-2: Condition appears approximately Very Good from the visible exterior, with light hardware scuffing and no obvious major damage; interior and bottom condition are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: materials and hardware inconsistent with Coach manufacture - synthetic saffiano-embossed body and bright plated hardware, no Coach identifiers"
                ],
                "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": 0.99,
                "missing_information": [
                    "interior views including lining and any interior patch or labels not shown",
                    "creed patch close-up not shown",
                    "hardware brand stamps and zipper pull markings not shown",
                    "bottom, side and scale\/dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: black saffiano-embossed coated\/faux material, not glove-tanned cowhide",
                    "photo 1, photo 2: bright gold-tone plated frame top handles and zippers, not vintage solid brass",
                    "photo 1, photo 2: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1, photo 2: rigid boxy zip-top silhouette with metal frame handles and thin detachable strap matches modern fast-fashion, no Coach catalog match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated metal U-frame top handles, top zipper and back zipper, thin strap rings and buckle; shiny plated finish with glare, not solid brass",
                    "leather_description": "black saffiano crosshatch-embossed material with sheen, appears faux\/coated, not glove-tanned full-grain leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching around panels visible in photo 1 and photo 2, thread matched to body",
                    "strap_construction": "thin flat detachable crossbody strap in same black material with gold-tone swivel rings and buckle adjustment, photo 1 and photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: frame-handle zip-top crossbody with back zip pocket and saffiano synthetic body has no counterpart in Classic or modern Coach catalog",
                    "Era reasoning: construction, plated hardware and material indicate modern (2000s+) non-Coach fast fashion",
                    "Condition: Good to Very Good exterior wear visible; full grade capped because interior, bottom and strap details not shown"
                ],
                "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": 19104,
            "output_tokens": 795,
            "total_tokens": 19899,
            "estimated_cost_usd": 0.00955
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19763,
            "output_tokens": 1259,
            "total_tokens": 21022,
            "estimated_cost_usd": 0.00496
        }
    ]
}