Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.435,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.83,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured handbag with a top handle, flap closure, and interior compartments.",
        "photo 1: Brass-tone hardware is visible, which is compatible with some vintage handbags generally.",
        "photo 1: leather-appearing structured handbag with brass-tone hardware - general population where vintage could hide, but no specific Coach cue"
    ],
    "negative_evidence": [
        "photo 1: The bag has a glossy crocodile-embossed finish rather than visible Coach glove-tanned leather.",
        "photo 4: Interior is fabric-lined and shows no visible Coach creed patch, wordmark, or country\/serial identifier.",
        "photo 5: The large rounded clasp is not the slender, elegant vintage Coach turnlock geometry described in the reference guide.",
        "photo 6: The visible zipper pull has no legible Coach marking.",
        "photo 1: The crocodile-embossed construction and oversized decorative clasp are more consistent with a generic or lookalike handbag than a classic Coach model.",
        "photo 1, photo 3, photo 4, photo 5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1, photo 4: closure is brass-tone envelope-point clasp with D-ring and knob, not Coach turnlock geometry with oval back plate and slim tab",
        "photo 4, photo 5: black woven fabric lining on flap underside and interior, not unlined suede-back glove-tanned of vintage Coach classics",
        "photo 1, photo 3: glossy croc-embossed leather with high shine, not matte-to-satin glove-tanned cowhide with natural grain",
        "photo 1, photo 3, photo 5: silhouette - rigid envelope-flap top-handle with shackle-ring strap mounts and center zip divider - matches no catalog Coach style"
    ],
    "missing_information": [
        "photo 4: A straight-on close-up of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present.",
        "photo 6: A close-up of the zipper pull and all hardware for maker markings.",
        "photo 1: Seller-stated dimensions, material composition, and a bottom\/corner close-up.",
        "photo 5: interior back wall \/ slip pocket close-up in raking light to confirm no creed patch or fabric tag hidden",
        "photo 4, photo 5: close-up of zipper pull brand stamp and clasp back plate",
        "photo 1, photo 3: hangtag and chain not shown - confirm absent",
        "photo 2: bottom corners show wear - need bottom straight-on and interior emptied views for full condition"
    ],
    "authenticity_concerns": [
        "photo 1: Glossy embossed material, decorative oversized clasp, and fabric lining are inconsistent with the expected construction of a vintage Coach classic.",
        "photo 4: No Coach identifier is visible anywhere in the supplied photos; this appears to be an unbranded lookalike rather than a Coach bag."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic structured top-handle flap bag and does not closely match the listed Coach classics; no Coach model is assigned.",
        "Condition: Good to Very Good visually; the exterior appears intact with light surface wear and edge wear, but the lining, zipper function, odor, and material condition are not fully assessable.",
        "No Coach model fits: envelope flap, non-turnlock stirrup-type clasp, croc-embossed glossy leather, fabric lining, and shackle-ring top handle match no 1970s-2000s catalog style (City, Willis, Court, Station, Dinky, etc. all use turnlock and glove-tanned leather)",
        "No creed, serial, wordmark, or hangtag visible in 5 photos including interior views, so no era decode possible",
        "Condition: Good; bottom-corner edge wear with light color loss in photo 2, otherwise structured and clean; interior not fully emptied so lining condition 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: Brass-tone rounded decorative clasp and small brass-tone handle attachments; no Coach engraving visible. photo 5: Additional brass-tone snap and zipper hardware visible.",
        "leather_description": "photo 1: Glossy black crocodile-embossed material; genuine leather versus synthetic material cannot be determined from photos.",
        "lining_description": "photo 4: Dark gray\/black fabric lining is visible under the flap. photo 6: Dark lining and divided interior compartments are visible.",
        "strap_construction": "photo 1: Single fixed top handle attached by short leather tabs and metal rings; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-3: Perimeter stitching is visible and generally even, though close-up stitch quality is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.07,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured handbag with a top handle, flap closure, and interior compartments.",
                    "photo 1: Brass-tone hardware is visible, which is compatible with some vintage handbags generally."
                ],
                "negative_evidence": [
                    "photo 1: The bag has a glossy crocodile-embossed finish rather than visible Coach glove-tanned leather.",
                    "photo 4: Interior is fabric-lined and shows no visible Coach creed patch, wordmark, or country\/serial identifier.",
                    "photo 5: The large rounded clasp is not the slender, elegant vintage Coach turnlock geometry described in the reference guide.",
                    "photo 6: The visible zipper pull has no legible Coach marking.",
                    "photo 1: The crocodile-embossed construction and oversized decorative clasp are more consistent with a generic or lookalike handbag than a classic Coach model."
                ],
                "missing_information": [
                    "photo 4: A straight-on close-up of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present.",
                    "photo 6: A close-up of the zipper pull and all hardware for maker markings.",
                    "photo 1: Seller-stated dimensions, material composition, and a bottom\/corner close-up."
                ],
                "authenticity_concerns": [
                    "photo 1: Glossy embossed material, decorative oversized clasp, and fabric lining are inconsistent with the expected construction of a vintage Coach classic.",
                    "photo 4: No Coach identifier is visible anywhere in the supplied photos; this appears to be an unbranded lookalike rather than a Coach bag."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Brass-tone rounded decorative clasp and small brass-tone handle attachments; no Coach engraving visible. photo 5: Additional brass-tone snap and zipper hardware visible.",
                    "leather_description": "photo 1: Glossy black crocodile-embossed material; genuine leather versus synthetic material cannot be determined from photos.",
                    "lining_description": "photo 4: Dark gray\/black fabric lining is visible under the flap. photo 6: Dark lining and divided interior compartments are visible.",
                    "strap_construction": "photo 1: Single fixed top handle attached by short leather tabs and metal rings; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-3: Perimeter stitching is visible and generally even, though close-up stitch quality is limited."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic structured top-handle flap bag and does not closely match the listed Coach classics; no Coach model is assigned.",
                    "Condition: Good to Very Good visually; the exterior appears intact with light surface wear and edge wear, but the lining, zipper function, odor, and material condition are not fully assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.04,
                "confidence": 0.78,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5: interior back wall \/ slip pocket close-up in raking light to confirm no creed patch or fabric tag hidden",
                    "photo 4, photo 5: close-up of zipper pull brand stamp and clasp back plate",
                    "photo 1, photo 3: hangtag and chain not shown - confirm absent",
                    "photo 2: bottom corners show wear - need bottom straight-on and interior emptied views for full condition"
                ],
                "negative_evidence": [
                    "photo 1, photo 3, photo 4, photo 5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1, photo 4: closure is brass-tone envelope-point clasp with D-ring and knob, not Coach turnlock geometry with oval back plate and slim tab",
                    "photo 4, photo 5: black woven fabric lining on flap underside and interior, not unlined suede-back glove-tanned of vintage Coach classics",
                    "photo 1, photo 3: glossy croc-embossed leather with high shine, not matte-to-satin glove-tanned cowhide with natural grain",
                    "photo 1, photo 3, photo 5: silhouette - rigid envelope-flap top-handle with shackle-ring strap mounts and center zip divider - matches no catalog Coach style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone envelope clasp with half-moon top plate and D-ring, small knob keeper on body; shackle \/ ball-end strap rings; brass-tone coil zipper with small stamped pull in photo 5",
                    "leather_description": "black glossy croc-embossed leather, stiff structured panels, edge wear at bottom corners in photo 2",
                    "lining_description": "black woven fabric lining visible on flap underside in photo 4 and interior \/ divider in photo 5, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching around flap, tone-matched, visible in photo 3 and photo 4; no irregularity noted at this resolution",
                    "strap_construction": "short fixed single top-handle, same croc-embossed material, looped and wrapped through brass shackle rings at flap",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather-appearing structured handbag with brass-tone hardware - general population where vintage could hide, but no specific Coach cue"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: envelope flap, non-turnlock stirrup-type clasp, croc-embossed glossy leather, fabric lining, and shackle-ring top handle match no 1970s-2000s catalog style (City, Willis, Court, Station, Dinky, etc. all use turnlock and glove-tanned leather)",
                    "No creed, serial, wordmark, or hangtag visible in 5 photos including interior views, so no era decode possible",
                    "Condition: Good; bottom-corner edge wear with light color loss in photo 2, otherwise structured and clean; interior not fully emptied so lining condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.45
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27220,
            "output_tokens": 813,
            "total_tokens": 28033,
            "estimated_cost_usd": 0.012839
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28487,
            "output_tokens": 1561,
            "total_tokens": 30048,
            "estimated_cost_usd": 0.006946
        }
    ]
}