Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.885,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.905,
    "recommended_max_bid": 10,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: olive canvas body, prominent leather star appliqu\u00e9, and decorative corner patches are not characteristic of the classic Coach leather handbag construction.",
        "photo 3: visible striped textile lining, multiple zippered compartments, and lightweight-looking textile construction point to a generic utility\/casual bag rather than vintage Coach.",
        "photo 1: hardware is generic antique-tone hardware; no Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach closure is visible.",
        "photo 6: ruler suggests a compact crossbody size, but the silhouette does not closely match a documented classic Coach model.",
        "photo 1: olive canvas body with brown star applique - material and motif never used on vintage Coach classics",
        "photo 4, photo 5: striped fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1, photo 2: no turnlock, no solid brass Coach hardware geometry; small antique-tone lobster clips and zippers only",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible despite clear interior and exterior views",
        "photo 3, photo 4: zip-top utility construction with contrast stitching unlike any Coach catalog style"
    ],
    "missing_information": [
        "No brand label, creed patch, serial\/style tag, or hangtag is shown; request a complete interior-label and pocket-seam photo if available.",
        "Bottom, full strap, zipper-pull, and hardware close-up views are not fully provided.",
        "Seller-stated dimensions are incomplete; only an approximate width is visible in photo 6.",
        "No Coach identifiers visible in complete exterior plus interior views; no further Coach-specific photos would change assessment"
    ],
    "authenticity_concerns": [
        "photo 1: the star-appliqu\u00e9 canvas design and striped lining are consistent with an unbranded or generic fashion\/utility bag, not a likely transplanted or obscured Coach design.",
        "photo 3: no Coach identifiers are visible despite clear interior coverage.",
        "photo 1-3: canvas body with star applique and striped lining inconsistent with any vintage Coach glove-tanned construction",
        "photo 1-6: no creed patch, wordmark, or Coach hardware observed to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The compact flap crossbody silhouette is not a close match for the listed classic Coach models and lacks their usual leather body, creed, and characteristic hardware.",
        "photo 6: approximate width is around 7\u20138 inches, but size alone cannot support a Coach model identification.",
        "Condition: Very Good overall from the visible photos; light fabric wear\/creasing and minor leather-edge wear are visible, with no obvious major tears. Interior condition is visible and appears intact, but odor cannot be assessed.",
        "Silhouette is small zip-top flap crossbody with star applique; matches no Coach catalog style in section 4",
        "Construction is canvas with fabric lining and plated hardware, pointing to modern fast-fashion boho utility bag, not 1970s-1990s Coach",
        "Condition: Very Good; canvas clean with worn-in look intentional, trim intact, lining clean (photo 1-5)"
    ],
    "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 and photo 3: antique-tone rings, clips, zipper pulls, and rivet-like fittings; no Coach engraving visible.",
        "leather_description": "photo 1: brown leather or leather-like trim, star appliqu\u00e9, corner patches, and strap accents; main body is olive canvas.",
        "lining_description": "photo 3 and photo 4: black-and-white striped fabric lining with multiple zippered compartments.",
        "strap_construction": "photo 1 and photo 5: adjustable removable crossbody strap attached with generic clips and rings; brown leather or leather-like strap sections.",
        "stitching_description": "photo 1 and photo 3: visible contrasting double-row stitching around the flap and trim; generally even, but not diagnostic of Coach."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: olive canvas body, prominent leather star appliqu\u00e9, and decorative corner patches are not characteristic of the classic Coach leather handbag construction.",
                    "photo 3: visible striped textile lining, multiple zippered compartments, and lightweight-looking textile construction point to a generic utility\/casual bag rather than vintage Coach.",
                    "photo 1: hardware is generic antique-tone hardware; no Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach closure is visible.",
                    "photo 6: ruler suggests a compact crossbody size, but the silhouette does not closely match a documented classic Coach model."
                ],
                "missing_information": [
                    "No brand label, creed patch, serial\/style tag, or hangtag is shown; request a complete interior-label and pocket-seam photo if available.",
                    "Bottom, full strap, zipper-pull, and hardware close-up views are not fully provided.",
                    "Seller-stated dimensions are incomplete; only an approximate width is visible in photo 6."
                ],
                "authenticity_concerns": [
                    "photo 1: the star-appliqu\u00e9 canvas design and striped lining are consistent with an unbranded or generic fashion\/utility bag, not a likely transplanted or obscured Coach design.",
                    "photo 3: no Coach identifiers are visible despite clear interior coverage."
                ],
                "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 and photo 3: antique-tone rings, clips, zipper pulls, and rivet-like fittings; no Coach engraving visible.",
                    "leather_description": "photo 1: brown leather or leather-like trim, star appliqu\u00e9, corner patches, and strap accents; main body is olive canvas.",
                    "lining_description": "photo 3 and photo 4: black-and-white striped fabric lining with multiple zippered compartments.",
                    "strap_construction": "photo 1 and photo 5: adjustable removable crossbody strap attached with generic clips and rings; brown leather or leather-like strap sections.",
                    "stitching_description": "photo 1 and photo 3: visible contrasting double-row stitching around the flap and trim; generally even, but not diagnostic of Coach."
                },
                "possible_model_reasoning": [
                    "The compact flap crossbody silhouette is not a close match for the listed classic Coach models and lacks their usual leather body, creed, and characteristic hardware.",
                    "photo 6: approximate width is around 7\u20138 inches, but size alone cannot support a Coach model identification.",
                    "Condition: Very Good overall from the visible photos; light fabric wear\/creasing and minor leather-edge wear are visible, with no obvious major tears. Interior condition is visible and appears intact, but odor cannot be assessed."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3: canvas body with star applique and striped lining inconsistent with any vintage Coach glove-tanned construction",
                    "photo 1-6: no creed patch, wordmark, or Coach hardware observed to support Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers visible in complete exterior plus interior views; no further Coach-specific photos would change assessment"
                ],
                "negative_evidence": [
                    "photo 1: olive canvas body with brown star applique - material and motif never used on vintage Coach classics",
                    "photo 4, photo 5: striped fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1, photo 2: no turnlock, no solid brass Coach hardware geometry; small antique-tone lobster clips and zippers only",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible despite clear interior and exterior views",
                    "photo 3, photo 4: zip-top utility construction with contrast stitching unlike any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antique brass-tone lobster-claw strap clips and zipper sliders; no turnlock; no COACH stamping visible",
                    "leather_description": "olive drab canvas body with brown pebbled faux\/genuine-look trim and star applique on flap and corner patches; not glove-tanned cowhide",
                    "lining_description": "black-and-white striped fabric lining visible in photo 4 and photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting light-tan machine stitching around flap and edges; even but utilitarian",
                    "strap_construction": "thin brown adjustable removable crossbody strap on lobster clips, photo 1, photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is small zip-top flap crossbody with star applique; matches no Coach catalog style in section 4",
                    "Construction is canvas with fabric lining and plated hardware, pointing to modern fast-fashion boho utility bag, not 1970s-1990s Coach",
                    "Condition: Very Good; canvas clean with worn-in look intentional, trim intact, lining clean (photo 1-5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17838,
            "output_tokens": 813,
            "total_tokens": 18651,
            "estimated_cost_usd": 0.009086
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18179,
            "output_tokens": 1288,
            "total_tokens": 19467,
            "estimated_cost_usd": 0.004666
        }
    ]
}