Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.855,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is constructed from woven wool\/tweed textile rather than Coach's characteristic glove-tanned leather or documented signature canvas.",
        "photo 1: the circular, decorative metal clasp is not the distinctive vintage Coach turnlock geometry.",
        "photo 6: the interior has a colorful printed fabric lining and no visible Coach creed patch, wordmark, or horse-and-carriage identifier.",
        "photos 1-5: no leather Coach hangtag or other Coach branding is visible.",
        "photo 5: the underside and textile construction are inconsistent with the classic unlined leather Coach handbag population.",
        "photo 1-4: body and handles are gray\/black woven wool tweed, not glove-tanned cowhide - Coach vintage is leather",
        "photo 5: fully lined with beige printed cotton with brown\/yellow\/green dot circles, not unlined suede - inconsistent with vintage Coach classics",
        "photo 1-2: twist-lock is small round gold-tone bullet-type, not Coach wide thin oval turnlock with slim tab geometry",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible anywhere",
        "photo 4: construction and materials match generic 1990s-2000s tweed handbag, not any Coach catalog silhouette"
    ],
    "missing_information": [
        "photo 6: no clear close-up of the entire interior wall or any sewn-in maker label.",
        "No close-up of the clasp reverse, zipper pull, or any interior label.",
        "No seller-stated dimensions beyond the approximately 12-inch width shown in photo 7.",
        "Odor, fabric composition, and functional condition are unknown.",
        "no Coach creed or brand label visible - interior fully shown with no leather patch (photo 5)",
        "no hardware brand stamps shown in close-up",
        "no side view and no strap-handle attachment detail beyond photos 2-3"
    ],
    "authenticity_concerns": [
        "photos 1 and 6: the textile body, decorative clasp, and printed lining do not form a consistent Coach construction profile; this appears to be a non-Coach vintage textile handbag rather than a Coach item."
    ],
    "possible_model_reasoning": [
        "The structured satchel silhouette and circular clasp are compatible with a mid-century textile handbag, but not with a specific Coach catalog model.",
        "The seller's '50s' description is unverified by labels or construction evidence; the era is therefore uncertain.",
        "Condition appears Good to Very Good from the visible exterior: intact textile with some loose fibers and normal handling wear; interior and hardware condition are only partly shown.",
        "No Coach model fits: material (tweed), printed fabric lining, and lock type exclude all glove-tanned classics (City Bag, Court, Willis, Station, Dinky etc.)",
        "Condition: Very Good; tweed looks clean and intact (photos 1-4), lining clean (photo 5), hardware with light tarnish; no tears visible"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photos 1-2: circular gold-tone clasp with a central ribbed turning tab; no Coach engraving is visible.",
        "leather_description": "not_visible; visible exterior is woven gray-and-black wool\/tweed textile.",
        "lining_description": "photo 6: cream fabric lining with repeated multicolor circular floral motifs; interior zipper pocket visible.",
        "strap_construction": "photos 2-3: two short matching woven-textile handles attached to the bag body; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-5: visible textile seams appear generally even, though close stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is constructed from woven wool\/tweed textile rather than Coach's characteristic glove-tanned leather or documented signature canvas.",
                    "photo 1: the circular, decorative metal clasp is not the distinctive vintage Coach turnlock geometry.",
                    "photo 6: the interior has a colorful printed fabric lining and no visible Coach creed patch, wordmark, or horse-and-carriage identifier.",
                    "photos 1-5: no leather Coach hangtag or other Coach branding is visible.",
                    "photo 5: the underside and textile construction are inconsistent with the classic unlined leather Coach handbag population."
                ],
                "missing_information": [
                    "photo 6: no clear close-up of the entire interior wall or any sewn-in maker label.",
                    "No close-up of the clasp reverse, zipper pull, or any interior label.",
                    "No seller-stated dimensions beyond the approximately 12-inch width shown in photo 7.",
                    "Odor, fabric composition, and functional condition are unknown."
                ],
                "authenticity_concerns": [
                    "photos 1 and 6: the textile body, decorative clasp, and printed lining do not form a consistent Coach construction profile; this appears to be a non-Coach vintage textile handbag rather than a Coach item."
                ],
                "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": "photos 1-2: circular gold-tone clasp with a central ribbed turning tab; no Coach engraving is visible.",
                    "leather_description": "not_visible; visible exterior is woven gray-and-black wool\/tweed textile.",
                    "lining_description": "photo 6: cream fabric lining with repeated multicolor circular floral motifs; interior zipper pocket visible.",
                    "strap_construction": "photos 2-3: two short matching woven-textile handles attached to the bag body; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-5: visible textile seams appear generally even, though close stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "The structured satchel silhouette and circular clasp are compatible with a mid-century textile handbag, but not with a specific Coach catalog model.",
                    "The seller's '50s' description is unverified by labels or construction evidence; the era is therefore uncertain.",
                    "Condition appears Good to Very Good from the visible exterior: intact textile with some loose fibers and normal handling wear; interior and hardware condition are only partly shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no Coach creed or brand label visible - interior fully shown with no leather patch (photo 5)",
                    "no hardware brand stamps shown in close-up",
                    "no side view and no strap-handle attachment detail beyond photos 2-3"
                ],
                "negative_evidence": [
                    "photo 1-4: body and handles are gray\/black woven wool tweed, not glove-tanned cowhide - Coach vintage is leather",
                    "photo 5: fully lined with beige printed cotton with brown\/yellow\/green dot circles, not unlined suede - inconsistent with vintage Coach classics",
                    "photo 1-2: twist-lock is small round gold-tone bullet-type, not Coach wide thin oval turnlock with slim tab geometry",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible anywhere",
                    "photo 4: construction and materials match generic 1990s-2000s tweed handbag, not any Coach catalog silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone round twist\/bullet lock on flap (photos 1-2, 6), four small brass-tone base feet on bottom (photo 4); not solid-brass Coach turnlock geometry, no COACH stamping visible",
                    "leather_description": "no leather visible; gray\/black\/white woven wool-tweed textile body and handles",
                    "lining_description": "photo 5: beige cotton lining with all-over brown\/yellow\/olive circular dot print, zip pocket visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - seams obscured by tweed texture",
                    "strap_construction": "two short fixed top handles in same tweed fabric, sewn to body (photos 2-3)",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: material (tweed), printed fabric lining, and lock type exclude all glove-tanned classics (City Bag, Court, Willis, Station, Dinky etc.)",
                    "Condition: Very Good; tweed looks clean and intact (photos 1-4), lining clean (photo 5), hardware with light tarnish; no tears visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33102,
            "output_tokens": 754,
            "total_tokens": 33856,
            "estimated_cost_usd": 0.01505
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35574,
            "output_tokens": 1202,
            "total_tokens": 36776,
            "estimated_cost_usd": 0.008076
        }
    ]
}