Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.895,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with top handles and a detachable-looking long shoulder strap.",
        "photo 4: Interior construction and compartments are visible for assessment."
    ],
    "negative_evidence": [
        "photo 1: The bag has a small cursive front mark rather than a legible COACH wordmark, horse-and-carriage emblem, or vintage Coach hangtag.",
        "photo 4: Interior appears fabric-lined and the hardware is bright silver-tone, inconsistent with most classic 1970s\u20131990s glove-tanned Coach styles.",
        "photo 5: Smooth, glossy-looking material and prominent painted\/finished edges appear more consistent with faux or synthetic leather than vintage glove-tanned cowhide.",
        "photo 1: The silhouette and side construction are a generic modern tote design, not a clearly recognizable vintage Coach model.",
        "Listing title: Seller describes the item as 'faux leather' and 'unbranded'; this is seller-written evidence, not a photo authentication.",
        "photo 1-3,5-6: small modern tote with side-wing panels and knotted top handles through metal grommets - no catalog Coach silhouette",
        "photo 1-3,5-6: smooth high-sheen faux-leather surface as seller states Faux Leather, not glove-tanned cowhide",
        "photo 4-6: silver-tone grommets, magnetic snaps and lobster-clasp strap hardware, not vintage solid brass turnlock\/buckle hardware",
        "photo 1-3,5-6: script signature debossed on front is not COACH wordmark or horse-and-carriage",
        "photo 4: interior shows no creed patch, no zip pocket, light synthetic lining - not unlined suede-back glove-tanned",
        "seller text states Handmade Brown Faux Leather - photo 1-6 consistent with synthetic fast-fashion construction"
    ],
    "missing_information": [
        "photo 4: No readable Coach creed patch or interior Coach label is shown.",
        "photo 4: No fabric care\/manufacturing tag is visible.",
        "photo 4: Zipper or hardware brand markings are not shown in close-up.",
        "photo 5: Bottom, corners, and strap attachment details are only partially documented.",
        "no creed patch shown in any photo - photo 4 interior shows no stamped leather patch",
        "no COACH wordmark, horse-and-carriage, or hardware stamps visible to verify",
        "no bottom, back, or close-up hardware views"
    ],
    "authenticity_concerns": [
        "The visible construction is inconsistent with a classic vintage Coach leather handbag: glossy faux-leather appearance, silver-tone hardware, fabric lining, and no visible Coach identifier.",
        "The cursive front embossing is not a Coach wordmark and does not provide evidence of Coach manufacture.",
        "photo 1-6: smooth coated faux-leather material and silver-tone grommets\/magnetic snaps inconsistent with vintage Coach glove-tanned leather and solid brass hardware"
    ],
    "possible_model_reasoning": [
        "Not a Coach silhouette: modern mini tote\/crossbody with grommet-knotted handles and side wings matches generic fast-fashion tote, not Willis, Court, Station, Dinky or other catalog style",
        "Materials and hardware date to modern non-Coach: faux leather plus silver-tone magnetic snaps and grommets per photos 1-6",
        "No hard identifiers: no creed, no serial, no COACH wordmark, no hangtag, no turnlock in any photo",
        "Condition: appears Like New\/New - clean surface, no corner wear visible in photos 5-6, but interior and bottom not fully documented so grade capped"
    ],
    "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": "Bright silver-tone eyelets, snap closure, and strap clips are visible in photos 1, 3, and 4; no Coach engraving is visible.",
        "leather_description": "Smooth, glossy brown material with finished edges; seller describes it as faux leather. Photo evidence does not support natural vintage glove-tanned leather.",
        "lining_description": "Light-colored fabric-like lining and divided interior compartments are visible in photo 4; material composition is not confirmed.",
        "strap_construction": "Two short rolled\/stitched top handles and a long narrow adjustable shoulder strap are visible in photos 1\u20133 and 5.",
        "stitching_description": "Generally even machine stitching is visible around the front overlay and edges in photos 3 and 5; construction appears modern."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with top handles and a detachable-looking long shoulder strap.",
                    "photo 4: Interior construction and compartments are visible for assessment."
                ],
                "negative_evidence": [
                    "photo 1: The bag has a small cursive front mark rather than a legible COACH wordmark, horse-and-carriage emblem, or vintage Coach hangtag.",
                    "photo 4: Interior appears fabric-lined and the hardware is bright silver-tone, inconsistent with most classic 1970s\u20131990s glove-tanned Coach styles.",
                    "photo 5: Smooth, glossy-looking material and prominent painted\/finished edges appear more consistent with faux or synthetic leather than vintage glove-tanned cowhide.",
                    "photo 1: The silhouette and side construction are a generic modern tote design, not a clearly recognizable vintage Coach model.",
                    "Listing title: Seller describes the item as 'faux leather' and 'unbranded'; this is seller-written evidence, not a photo authentication."
                ],
                "missing_information": [
                    "photo 4: No readable Coach creed patch or interior Coach label is shown.",
                    "photo 4: No fabric care\/manufacturing tag is visible.",
                    "photo 4: Zipper or hardware brand markings are not shown in close-up.",
                    "photo 5: Bottom, corners, and strap attachment details are only partially documented."
                ],
                "authenticity_concerns": [
                    "The visible construction is inconsistent with a classic vintage Coach leather handbag: glossy faux-leather appearance, silver-tone hardware, fabric lining, and no visible Coach identifier.",
                    "The cursive front embossing is not a Coach wordmark and does not provide evidence of Coach manufacture."
                ],
                "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": "Bright silver-tone eyelets, snap closure, and strap clips are visible in photos 1, 3, and 4; no Coach engraving is visible.",
                    "leather_description": "Smooth, glossy brown material with finished edges; seller describes it as faux leather. Photo evidence does not support natural vintage glove-tanned leather.",
                    "lining_description": "Light-colored fabric-like lining and divided interior compartments are visible in photo 4; material composition is not confirmed.",
                    "strap_construction": "Two short rolled\/stitched top handles and a long narrow adjustable shoulder strap are visible in photos 1\u20133 and 5.",
                    "stitching_description": "Generally even machine stitching is visible around the front overlay and edges in photos 3 and 5; construction appears modern."
                },
                "possible_model_reasoning": [],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: smooth coated faux-leather material and silver-tone grommets\/magnetic snaps inconsistent with vintage Coach glove-tanned leather and solid brass hardware"
                ],
                "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": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch shown in any photo - photo 4 interior shows no stamped leather patch",
                    "no COACH wordmark, horse-and-carriage, or hardware stamps visible to verify",
                    "no bottom, back, or close-up hardware views"
                ],
                "negative_evidence": [
                    "photo 1-3,5-6: small modern tote with side-wing panels and knotted top handles through metal grommets - no catalog Coach silhouette",
                    "photo 1-3,5-6: smooth high-sheen faux-leather surface as seller states Faux Leather, not glove-tanned cowhide",
                    "photo 4-6: silver-tone grommets, magnetic snaps and lobster-clasp strap hardware, not vintage solid brass turnlock\/buckle hardware",
                    "photo 1-3,5-6: script signature debossed on front is not COACH wordmark or horse-and-carriage",
                    "photo 4: interior shows no creed patch, no zip pocket, light synthetic lining - not unlined suede-back glove-tanned",
                    "seller text states Handmade Brown Faux Leather - photo 1-6 consistent with synthetic fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone grommet eyelets, round magnetic snaps, silver-tone lobster clasp on crossbody strap; no turnlock, no brass, no COACH stamping visible",
                    "leather_description": "smooth brown coated faux leather with uniform sheen, seller states faux leather; not glove-tanned full-grain",
                    "lining_description": "photo 4: light-colored synthetic lining visible inside, no suede, no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched edge stitching around front panel, even but modern machine work",
                    "strap_construction": "short rolled top handles knotted through front grommets plus thin detachable adjustable crossbody shoulder strap on lobster clasp",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: modern mini tote\/crossbody with grommet-knotted handles and side wings matches generic fast-fashion tote, not Willis, Court, Station, Dinky or other catalog style",
                    "Materials and hardware date to modern non-Coach: faux leather plus silver-tone magnetic snaps and grommets per photos 1-6",
                    "No hard identifiers: no creed, no serial, no COACH wordmark, no hangtag, no turnlock in any photo",
                    "Condition: appears Like New\/New - clean surface, no corner wear visible in photos 5-6, but interior and bottom not fully documented so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 730,
            "total_tokens": 18857,
            "estimated_cost_usd": 0.009003
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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            "estimated_cost_usd": 0.004933
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}