Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.66,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 17.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 62.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: unlined leather interior broadly consistent with old unlined bags generally, not specific to Coach"
    ],
    "negative_evidence": [
        "photo 1: bag is visibly constructed from heavily textured crocodile\/alligator-style leather with a decorative raised central section, unlike the usual Coach classic glove-tanned cowhide construction.",
        "photo 3: interior shows a plain leather interior and zipper compartment, but no Coach creed patch, wordmark, or horse-and-carriage identifier.",
        "photo 6: exterior view shows no visible Coach branding, leather hangtag, or recognizable Coach hardware.",
        "photo 1: edge lacing, decorative leather ties, and exotic-skin construction are more consistent with a specialty or tourist-market crocodile bag than a catalog Coach silhouette.",
        "photo 1,2,6: full hornback crocodile skin with raised tail scutes - not Coach glove-tanned cowhide",
        "photo 1-3,6: whipstitched \/ laced edges around flap and body - not Coach straight machine stitching",
        "photo 1-3: knotted leather toggle-tie closure - no turnlock present",
        "photo 3-5: interior shows no creed patch, no wordmark, no fabric tag in any interior view",
        "photo 5: white nylon coil zipper with unbranded white slider - not Talon brass \/ YKK metal of vintage Coach",
        "photo 1-6: no leather hangtag, no bead chain, no brass hardware consistent with Coach classics"
    ],
    "missing_information": [
        "photo 1-6: no straight-on close-up of every interior wall and pocket seam to definitively exclude a concealed label or creed.",
        "photo 1-6: zipper pull, strap attachment hardware, and any maker stamps are not shown in sufficient close-up.",
        "Seller-stated species, provenance, dimensions, and country of manufacture are not independently verifiable from the photos.",
        "photo 4-5: no creed patch visible on interior wall - confirm no stamped leather patch hidden in folds",
        "photo 1-6: no COACH wordmark, hangtag, or hardware stamp shown - request close-ups if claimed",
        "photo 4-5: zipper brand stamp not legible - request macro of slider",
        "seller-stated dimensions and strap length not provided for scale"
    ],
    "authenticity_concerns": [
        "photo 1-6: no Coach identifier is visible, and the exotic-skin decorative construction does not match the typical vintage Coach catalog and construction evidence.",
        "photo 3-5: plain interior and zipper compartment provide no brand-specific evidence supporting Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is a credible match: the exotic-skin flap design, raised central panels, edge lacing, and leather-tie closure do not correspond to the listed classic Coach silhouettes.",
        "photo 3-5: the interior is sufficiently visible to show no obvious rectangular Coach creed patch, although a concealed or removed label cannot be completely ruled out.",
        "Condition: Good; visible wear on the strap and edge\/lacing areas, plus stiffness and surface wear described by the seller. Interior appears clean, but odor and hidden damage cannot be assessed.",
        "No Coach catalog silhouette matches a hornback crocodile flap with laced edges and toggle-tie closure; Coach classics are smooth glove-tanned cowhide with brass turnlock and straight stitching",
        "No hard identifiers observed: no creed, no serial, no wordmark, no hangtag, no stamped hardware in photos 1-6",
        "Construction (exotic skin + whipstitch + nylon coil zip) points to tourist \/ African craft production, not Coach US\/Costa Rica\/Italy production",
        "Condition: Good; leather intact with patina and flap creasing (photo 3), strap wear spots per seller, interior clean but stiff, no tears or hardware failure visible"
    ],
    "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 1-6: small leather strap fittings and tied leather closure elements are visible; no Coach-marked hardware is visible.",
        "leather_description": "photo 1-6: glossy brown heavily textured exotic-skin leather, with raised central belly-scale sections and smoother perimeter panels; seller describes it as African crocodile.",
        "lining_description": "photo 3-5: tan leather or leather-like interior with a separate zippered compartment; no textile lining or Coach label is visible.",
        "strap_construction": "photo 1-2 and photo 6: narrow adjustable-looking leather shoulder strap attached at the sides; several worn areas are visible as described by the seller.",
        "stitching_description": "photo 1-5: prominent hand-style leather lacing around the edges and visible stitched\/laced construction; some edge wear and looseness are visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is visibly constructed from heavily textured crocodile\/alligator-style leather with a decorative raised central section, unlike the usual Coach classic glove-tanned cowhide construction.",
                    "photo 3: interior shows a plain leather interior and zipper compartment, but no Coach creed patch, wordmark, or horse-and-carriage identifier.",
                    "photo 6: exterior view shows no visible Coach branding, leather hangtag, or recognizable Coach hardware.",
                    "photo 1: edge lacing, decorative leather ties, and exotic-skin construction are more consistent with a specialty or tourist-market crocodile bag than a catalog Coach silhouette."
                ],
                "missing_information": [
                    "photo 1-6: no straight-on close-up of every interior wall and pocket seam to definitively exclude a concealed label or creed.",
                    "photo 1-6: zipper pull, strap attachment hardware, and any maker stamps are not shown in sufficient close-up.",
                    "Seller-stated species, provenance, dimensions, and country of manufacture are not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photo 1-6: no Coach identifier is visible, and the exotic-skin decorative construction does not match the typical vintage Coach catalog and construction evidence.",
                    "photo 3-5: plain interior and zipper compartment provide no brand-specific evidence supporting 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": "photo 1-6: small leather strap fittings and tied leather closure elements are visible; no Coach-marked hardware is visible.",
                    "leather_description": "photo 1-6: glossy brown heavily textured exotic-skin leather, with raised central belly-scale sections and smoother perimeter panels; seller describes it as African crocodile.",
                    "lining_description": "photo 3-5: tan leather or leather-like interior with a separate zippered compartment; no textile lining or Coach label is visible.",
                    "strap_construction": "photo 1-2 and photo 6: narrow adjustable-looking leather shoulder strap attached at the sides; several worn areas are visible as described by the seller.",
                    "stitching_description": "photo 1-5: prominent hand-style leather lacing around the edges and visible stitched\/laced construction; some edge wear and looseness are visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a credible match: the exotic-skin flap design, raised central panels, edge lacing, and leather-tie closure do not correspond to the listed classic Coach silhouettes.",
                    "photo 3-5: the interior is sufficiently visible to show no obvious rectangular Coach creed patch, although a concealed or removed label cannot be completely ruled out.",
                    "Condition: Good; visible wear on the strap and edge\/lacing areas, plus stiffness and surface wear described by the seller. Interior appears clean, but odor and hidden damage cannot be assessed."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 20,
                "estimated_resale_low": 25,
                "estimated_resale_high": 80
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 4-5: no creed patch visible on interior wall - confirm no stamped leather patch hidden in folds",
                    "photo 1-6: no COACH wordmark, hangtag, or hardware stamp shown - request close-ups if claimed",
                    "photo 4-5: zipper brand stamp not legible - request macro of slider",
                    "seller-stated dimensions and strap length not provided for scale"
                ],
                "negative_evidence": [
                    "photo 1,2,6: full hornback crocodile skin with raised tail scutes - not Coach glove-tanned cowhide",
                    "photo 1-3,6: whipstitched \/ laced edges around flap and body - not Coach straight machine stitching",
                    "photo 1-3: knotted leather toggle-tie closure - no turnlock present",
                    "photo 3-5: interior shows no creed patch, no wordmark, no fabric tag in any interior view",
                    "photo 5: white nylon coil zipper with unbranded white slider - not Talon brass \/ YKK metal of vintage Coach",
                    "photo 1-6: no leather hangtag, no bead chain, no brass hardware consistent with Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock, buckles or rivets visible; thin leather toggle tie at flap; silver-tone strap rings only partially visible; white nylon coil zipper",
                    "leather_description": "photo 1,2,6: brown genuine-appearing hornback crocodile skin with 3-D tail scutes on flap front, glazed finish; body and flap underside smooth tan leather",
                    "lining_description": "photo 3-5: unlined tan leather \/ skin underside, no fabric lining, zippered compartment with light cloth tape",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 3,4,6: whipstitch \/ overcast lacing around flap and body perimeter, not Coach even straight machine stitching",
                    "strap_construction": "photo 1,4,6: thin flat tan leather shoulder\/crossbody strap, edge wear noted, attachment details not shown in close-up",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3: unlined leather interior broadly consistent with old unlined bags generally, not specific to Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches a hornback crocodile flap with laced edges and toggle-tie closure; Coach classics are smooth glove-tanned cowhide with brass turnlock and straight stitching",
                    "No hard identifiers observed: no creed, no serial, no wordmark, no hangtag, no stamped hardware in photos 1-6",
                    "Construction (exotic skin + whipstitch + nylon coil zip) points to tourist \/ African craft production, not Coach US\/Costa Rica\/Italy production",
                    "Condition: Good; leather intact with patina and flap creasing (photo 3), strap wear spots per seller, interior clean but stiff, no tears or hardware failure visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18117,
            "output_tokens": 910,
            "total_tokens": 19027,
            "estimated_cost_usd": 0.009431
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18670,
            "output_tokens": 1746,
            "total_tokens": 20416,
            "estimated_cost_usd": 0.005131
        }
    ]
}