Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.075,
    "vintage_probability": 0.18,
    "authenticity_confidence": 0.06,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.78,
    "recommended_max_bid": 10,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather crossbody handbag with a flap, adjustable strap, and metal hardware.",
        "photo 1: red leather construction and dark brass-tone hardware are materials sometimes seen on Coach bags.",
        "photo 2: stitching is generally even and the buckle hardware is clearly visible.",
        "photo 1: leather small flap crossbody handbag with brass-tone hardware",
        "photo 4-5: ~7-8 in wide small satchel scale per ruler, consistent with vintage small crossbody size",
        "photo 1-3: solid-looking leather and metal buckles, not obvious synthetic or plastic hardware"
    ],
    "negative_evidence": [
        "photo 1: the front closure is a conventional buckle strap, not a recognizable Coach turnlock or Coach-specific closure.",
        "photo 1: no COACH wordmark, horse-and-carriage, or leather hangtag is visible.",
        "photos 1-8: the design, prominent contrast stitching, glossy red finish, and side buckle construction appear generic rather than a catalog-recognizable Coach silhouette.",
        "photos 1-8: no Coach identifier is visible despite multiple exterior views.",
        "photo 1: center buckle-strap flap closure, no turnlock present",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1-2: contrasting white\/off-white thread, vintage Coach uses thread matched to leather",
        "photo 1,5: small buckle-front satchel silhouette does not match catalog Coach classics (City, Willis, Court, Station, Dinky)",
        "photo 6: side strap tab with X-box stitch and snap, not Coach dogleash or buckle-slide construction"
    ],
    "missing_information": [
        "photo 7: interior is not shown; request a fully emptied interior, including the back wall and any slip-pocket area.",
        "photo 7: request a straight-on close-up of any leather creed patch, fabric tag, or maker label inside.",
        "photo 1: request close-ups of all hardware, zipper pulls, and any concealed stamps.",
        "photos 1-8: bottom, back, and complete strap-anchor details are not fully documented.",
        "interior views emptied showing lining and any creed patch or labels not shown",
        "creed patch straight-on in raking light not shown",
        "back, bottom and all four corners not shown",
        "hardware stamps on buckles and strap clips not shown",
        "hangtag both faces if present not shown"
    ],
    "authenticity_concerns": [
        "photos 1-8: no Coach identifier is visible, so the bag is more consistent with a generic unbranded leather handbag than with Coach manufacture.",
        "photo 1: the generic buckle-satchel design and bright contrast stitching do not provide a reliable match to the listed Coach model catalog.",
        "photo 1-6: no Coach identifiers visible to support Coach manufacture; contrast stitching and center-buckle flap atypical for vintage Coach classics"
    ],
    "possible_model_reasoning": [
        "The silhouette is a small rectangular flap crossbody, but it lacks the turnlock, creed, hangtag, or other identifiers needed to associate it with a Coach style.",
        "The seller-provided Y2K\/vintage wording is unverified listing text and does not establish age or brand.",
        "Condition: Good; visible scuffs and surface wear on the front and closure area (photos 1-2), while interior condition and strap-fold condition are not shown.",
        "No Coach model fits: buckle-front flap with contrast stitching and no turnlock, no creed\/wordmark\/hangtag, and construction details inconsistent with 1970s-1990s Coach classics; Condition: Very Good to Excellent exterior with light scratches and edge wear (photo 2,4), interior and bottom not shown 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": "photo 1: dark brass-tone rectangular buckles and strap rings are visible; no Coach engraving is visible. The front closure is a standard buckle strap.",
        "leather_description": "photos 1-8: red leather or leather-like material with a smooth, glossy finish; visible surface scuffing and wear. Exact leather type cannot be determined from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 3, 4, and 8: adjustable narrow leather crossbody strap with contrast stitching, buckle adjustment, and side attachment hardware.",
        "stitching_description": "photos 1-8: prominent light contrast stitching is mostly even, with some visible irregularity and wear around the front closure."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.06,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather crossbody handbag with a flap, adjustable strap, and metal hardware.",
                    "photo 1: red leather construction and dark brass-tone hardware are materials sometimes seen on Coach bags.",
                    "photo 2: stitching is generally even and the buckle hardware is clearly visible."
                ],
                "negative_evidence": [
                    "photo 1: the front closure is a conventional buckle strap, not a recognizable Coach turnlock or Coach-specific closure.",
                    "photo 1: no COACH wordmark, horse-and-carriage, or leather hangtag is visible.",
                    "photos 1-8: the design, prominent contrast stitching, glossy red finish, and side buckle construction appear generic rather than a catalog-recognizable Coach silhouette.",
                    "photos 1-8: no Coach identifier is visible despite multiple exterior views."
                ],
                "missing_information": [
                    "photo 7: interior is not shown; request a fully emptied interior, including the back wall and any slip-pocket area.",
                    "photo 7: request a straight-on close-up of any leather creed patch, fabric tag, or maker label inside.",
                    "photo 1: request close-ups of all hardware, zipper pulls, and any concealed stamps.",
                    "photos 1-8: bottom, back, and complete strap-anchor details are not fully documented."
                ],
                "authenticity_concerns": [
                    "photos 1-8: no Coach identifier is visible, so the bag is more consistent with a generic unbranded leather handbag than with Coach manufacture.",
                    "photo 1: the generic buckle-satchel design and bright contrast stitching do not provide a reliable match to the listed Coach model catalog."
                ],
                "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: dark brass-tone rectangular buckles and strap rings are visible; no Coach engraving is visible. The front closure is a standard buckle strap.",
                    "leather_description": "photos 1-8: red leather or leather-like material with a smooth, glossy finish; visible surface scuffing and wear. Exact leather type cannot be determined from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3, 4, and 8: adjustable narrow leather crossbody strap with contrast stitching, buckle adjustment, and side attachment hardware.",
                    "stitching_description": "photos 1-8: prominent light contrast stitching is mostly even, with some visible irregularity and wear around the front closure."
                },
                "possible_model_reasoning": [
                    "The silhouette is a small rectangular flap crossbody, but it lacks the turnlock, creed, hangtag, or other identifiers needed to associate it with a Coach style.",
                    "The seller-provided Y2K\/vintage wording is unverified listing text and does not establish age or brand.",
                    "Condition: Good; visible scuffs and surface wear on the front and closure area (photos 1-2), while interior condition and strap-fold condition are not shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: no Coach identifiers visible to support Coach manufacture; contrast stitching and center-buckle flap atypical for vintage Coach classics"
                ],
                "authenticity_confidence": 0.06,
                "coach_probability": 0.07,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or labels not shown",
                    "creed patch straight-on in raking light not shown",
                    "back, bottom and all four corners not shown",
                    "hardware stamps on buckles and strap clips not shown",
                    "hangtag both faces if present not shown"
                ],
                "negative_evidence": [
                    "photo 1: center buckle-strap flap closure, no turnlock present",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1-2: contrasting white\/off-white thread, vintage Coach uses thread matched to leather",
                    "photo 1,5: small buckle-front satchel silhouette does not match catalog Coach classics (City, Willis, Court, Station, Dinky)",
                    "photo 6: side strap tab with X-box stitch and snap, not Coach dogleash or buckle-slide construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone \/ antiqued buckles on front flap (photo 2) and on adjustable strap (photo 3), plus side D-ring and rivet (photo 6); no COACH engraving visible; turnlock absent",
                    "leather_description": "red smooth leather with sheen, light surface scratches and wear visible in close-ups; weight and grain not determinable as glove-tanned from photos",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting off-white stitching around flap, body and strap, even but contrast color; X-box stitch on side tab (photo 6)",
                    "strap_construction": "long thin red leather crossbody strap, buckle-adjustable with holes (photo 1, 3), attached at sides via D-ring\/tab (photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather small flap crossbody handbag with brass-tone hardware",
                    "photo 4-5: ~7-8 in wide small satchel scale per ruler, consistent with vintage small crossbody size",
                    "photo 1-3: solid-looking leather and metal buckles, not obvious synthetic or plastic hardware"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: buckle-front flap with contrast stitching and no turnlock, no creed\/wordmark\/hangtag, and construction details inconsistent with 1970s-1990s Coach classics; Condition: Very Good to Excellent exterior with light scratches and edge wear (photo 2,4), interior and bottom not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.07,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 31743,
            "output_tokens": 794,
            "total_tokens": 32537,
            "estimated_cost_usd": 0.014603
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 33889,
            "output_tokens": 1522,
            "total_tokens": 35411,
            "estimated_cost_usd": 0.007995
        }
    ]
}