Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.465,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.725,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible bags have generic contemporary silhouettes, synthetic-looking pebbled and embossed finishes, and no visible Coach wordmark, creed, carriage, hangtag, or characteristic vintage turnlock.",
        "photo 1: gold-tone ring zipper pulls and dark plated zipper hardware do not resemble the classic solid-brass Coach hardware shown in the reference construction.",
        "photo 2: blue bag has a fabric-like or synthetic pebbled surface and multiple exterior zip compartments, with no Coach identifier visible.",
        "photo 1: listing is a four-piece unbranded lot, and the visible construction is more consistent with inexpensive modern fashion accessories than vintage glove-tanned Coach.",
        "photo 2: blue bag appears in smooth pebbled synthetic \/ faux leather with uniform grain, not glove-tanned leather",
        "photo 2: bright gold-tone ring zipper pull, plated appearance, not vintage solid brass",
        "photo 1: tan bag with black faux-croc trim and suede-like panels, materials inconsistent with vintage Coach glove-tanned line",
        "photo 1, photo 2: no turnlock, no creed patch, no hangtag, no COACH wordmark visible",
        "photo 1, photo 2: thin unstructured shoulder straps and zip-top construction, not matching catalog Coach classics"
    ],
    "missing_information": [
        "Interior views of each bag, including any sewn leather creed patch or fabric brand label.",
        "Close-ups of all hardware, zipper pulls, straps, bottoms, and interior seams.",
        "Full front, back, side, and bottom views of every item in the four-piece lot.",
        "Seller-stated materials and dimensions; the listing photos show only portions of some bags.",
        "creed patch \/ interior views not shown for any bag in lot",
        "full views of all 4 pieces in lot not shown - only 2 bags partially visible",
        "bottom, back, interior, hardware close-ups not shown",
        "hangtag, wordmark, zipper brand stamps not visible"
    ],
    "authenticity_concerns": [
        "photo 1: tan bag has an embossed crocodile-like finish and contrasting panel construction inconsistent with the classic unlined glove-tanned leather Coach styles most likely to be mistaken for unbranded bags.",
        "photo 2: visible synthetic-looking pebbled material and generic gold-tone ring pulls provide no support for Coach manufacture.",
        "photo 1, photo 2: no Coach identifiers visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible silhouettes or hardware; the bags appear to be generic modern handbags\/accessories.",
        "Condition: appears Good to Very Good on the visible exteriors, with no major damage clearly shown, but interiors, bottoms, odor, lining, and all four pieces are not assessed.",
        "No Coach silhouette match: zip-top synthetic shoulder bags with ring pulls and faux-croc trim do not correspond to catalog classics (City Bag, Willis, Court, etc.)",
        "Construction and materials point to modern fast-fashion lot, not 1970s-1990s unlined glove-tanned brass-hardware Coach",
        "Condition: not gradable as Coach; visible bags appear used but intact, photos too cropped for grading"
    ],
    "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: gold-tone ring zipper pulls and dark zipper hardware are visible; no Coach engraving is legible. Hardware appears contemporary and plated rather than vintage solid brass.",
        "leather_description": "photo 1: blue bag appears pebbled and synthetic or coated; tan bag has a crocodile-embossed contrasting panel and smooth\/tan body. Natural leather cannot be confirmed from these images.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: narrow attached blue shoulder straps are visible; photo 2: blue bag has multiple attached straps\/handles. Full attachment construction is not shown.",
        "stitching_description": "photo 1: visible machine stitching appears generally even, but resolution and cropping prevent a detailed construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.58,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible bags have generic contemporary silhouettes, synthetic-looking pebbled and embossed finishes, and no visible Coach wordmark, creed, carriage, hangtag, or characteristic vintage turnlock.",
                    "photo 1: gold-tone ring zipper pulls and dark plated zipper hardware do not resemble the classic solid-brass Coach hardware shown in the reference construction.",
                    "photo 2: blue bag has a fabric-like or synthetic pebbled surface and multiple exterior zip compartments, with no Coach identifier visible.",
                    "photo 1: listing is a four-piece unbranded lot, and the visible construction is more consistent with inexpensive modern fashion accessories than vintage glove-tanned Coach."
                ],
                "missing_information": [
                    "Interior views of each bag, including any sewn leather creed patch or fabric brand label.",
                    "Close-ups of all hardware, zipper pulls, straps, bottoms, and interior seams.",
                    "Full front, back, side, and bottom views of every item in the four-piece lot.",
                    "Seller-stated materials and dimensions; the listing photos show only portions of some bags."
                ],
                "authenticity_concerns": [
                    "photo 1: tan bag has an embossed crocodile-like finish and contrasting panel construction inconsistent with the classic unlined glove-tanned leather Coach styles most likely to be mistaken for unbranded bags.",
                    "photo 2: visible synthetic-looking pebbled material and generic gold-tone ring pulls provide no support for 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: gold-tone ring zipper pulls and dark zipper hardware are visible; no Coach engraving is legible. Hardware appears contemporary and plated rather than vintage solid brass.",
                    "leather_description": "photo 1: blue bag appears pebbled and synthetic or coated; tan bag has a crocodile-embossed contrasting panel and smooth\/tan body. Natural leather cannot be confirmed from these images.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: narrow attached blue shoulder straps are visible; photo 2: blue bag has multiple attached straps\/handles. Full attachment construction is not shown.",
                    "stitching_description": "photo 1: visible machine stitching appears generally even, but resolution and cropping prevent a detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible silhouettes or hardware; the bags appear to be generic modern handbags\/accessories.",
                    "Condition: appears Good to Very Good on the visible exteriors, with no major damage clearly shown, but interiors, bottoms, odor, lining, and all four pieces are not assessed."
                ],
                "confidence": 0.7,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: no Coach identifiers visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "creed patch \/ interior views not shown for any bag in lot",
                    "full views of all 4 pieces in lot not shown - only 2 bags partially visible",
                    "bottom, back, interior, hardware close-ups not shown",
                    "hangtag, wordmark, zipper brand stamps not visible"
                ],
                "negative_evidence": [
                    "photo 2: blue bag appears in smooth pebbled synthetic \/ faux leather with uniform grain, not glove-tanned leather",
                    "photo 2: bright gold-tone ring zipper pull, plated appearance, not vintage solid brass",
                    "photo 1: tan bag with black faux-croc trim and suede-like panels, materials inconsistent with vintage Coach glove-tanned line",
                    "photo 1, photo 2: no turnlock, no creed patch, no hangtag, no COACH wordmark visible",
                    "photo 1, photo 2: thin unstructured shoulder straps and zip-top construction, not matching catalog Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone ring zipper pull on blue bag (photo 2); dark zipper on tan bag (photo 1); plated appearance, not solid brass turnlock or dogleash hardware",
                    "leather_description": "blue pebbled-grain faux-appearing material with sheen (photo 2); tan suede-like textile with black croc-embossed trim (photo 1); not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge stitching on blue bag straps and pocket, appears machine-stitched; detail limited by cropping and resolution",
                    "strap_construction": "thin flat synthetic shoulder straps on blue bag (photo 2); dark top handles partially visible on tan bag (photo 1)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: zip-top synthetic shoulder bags with ring pulls and faux-croc trim do not correspond to catalog classics (City Bag, Willis, Court, etc.)",
                    "Construction and materials point to modern fast-fashion lot, not 1970s-1990s unlined glove-tanned brass-hardware Coach",
                    "Condition: not gradable as Coach; visible bags appear used but intact, photos too cropped for grading"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 775,
            "total_tokens": 16748,
            "estimated_cost_usd": 0.008249
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16273,
            "output_tokens": 1242,
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}