Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.59,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.76,
    "recommended_max_bid": 17.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 65,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: objects are handbags - multiple shoulder bags, crossbodies, totes and pouches laid out"
    ],
    "negative_evidence": [
        "photo 1: bulk lot is dominated by nylon, shiny synthetic, textile, and apparent faux-leather bags rather than vintage glove-tanned leather.",
        "photos 1-6: no clearly visible Coach creed patch, COACH wordmark, horse-and-carriage, or recognizable vintage Coach construction.",
        "photos 1-6: several bags have generic modern zippered crossbody\/tote designs and lightweight-looking plated hardware, inconsistent with classic vintage Coach indicators.",
        "photo 2: visible Adidas branding identifies one item as Adidas, while the lot otherwise shows assorted non-Coach styles and materials.",
        "photo 1: lot consists of modern fast-fashion synthetic crossbodies, totes, pouches, plus Adidas nylon backpack and pink ARIZONA canvas tote - nylon, coated PVC, faux leather materials inconsistent with vintage Coach",
        "photo 1-5: no solid brass turnlock geometry visible on any bag",
        "photo 1-5: no unlined glove-tanned leather with suede back visible; bags appear thin faux leather, plastic, nylon, canvas",
        "photo 2: visible non-Coach branding - adidas logo, ARIZONA print",
        "photo 1: silhouettes are modern zip-top crossbodies, hobo with braided strap, drawstring backpack - no catalog Coach classic silhouette with flap + turnlock"
    ],
    "missing_information": [
        "Individual interior photos for every leather-looking bag, especially the back wall and slip-pocket areas.",
        "Straight-on close-ups of any interior leather patches, fabric tags, zipper pulls, or embossed logos.",
        "Bottom, strap, and hardware close-ups for the black bags that could otherwise be mistaken for leather vintage handbags.",
        "Seller-stated dimensions and material information for the individual bags.",
        "No creed close-ups for any bag in lot",
        "No interior views showing lining or patches",
        "No hardware close-ups showing turnlock, zipper brand, or engravings",
        "No hangtag front\/back views",
        "Individual bag dimensions, materials, and brand labels not shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach identifier is visible anywhere in this mixed lot; the materials and modern construction provide no meaningful Coach support.",
        "photos 1-6: the apparent synthetic and nylon materials would be inconsistent with most vintage Coach classics.",
        "photo 1-5: no Coach creed, wordmark, hangtag, or solid-brass turnlock visible on any of ~20 bags in lot to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is supportable from the group photos; the silhouettes are generic modern crossbody bags, totes, pouches, and backpacks rather than a clearly identifiable Coach classic.",
        "Condition: mixed and largely unknown; visible synthetic bags show creasing, surface wear, and possible scuffing, while interiors and functional condition are not shown.",
        "No Coach model fits: no turnlock flap bags, no unlined glove-tanned construction, no creed or hangtag, silhouettes and materials are modern synthetic fast-fashion, not 1970s-1990s classics",
        "Condition: mixed Good to Fair for lot as seen at distance - surface wear on faux leather, slouching, but no close detail to grade; interiors and bottoms not shown"
    ],
    "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": "photos 1-6: assorted small gold- and silver-tone zippers, rings, snaps, and generic hardware; no clearly visible Coach-stamped hardware.",
        "leather_description": "photos 1-6: mostly apparent synthetic leather, nylon, textile, and shiny coated material; genuine glove-tanned leather is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: assorted thin adjustable shoulder straps, textile cords, short handles, and braided synthetic handles; construction is mixed across the lot.",
        "stitching_description": "photos 1-6: machine stitching is visible on some bags but individual stitch quality and stress points are not sufficiently detailed for authentication."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0057,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bulk lot is dominated by nylon, shiny synthetic, textile, and apparent faux-leather bags rather than vintage glove-tanned leather.",
                    "photos 1-6: no clearly visible Coach creed patch, COACH wordmark, horse-and-carriage, or recognizable vintage Coach construction.",
                    "photos 1-6: several bags have generic modern zippered crossbody\/tote designs and lightweight-looking plated hardware, inconsistent with classic vintage Coach indicators.",
                    "photo 2: visible Adidas branding identifies one item as Adidas, while the lot otherwise shows assorted non-Coach styles and materials."
                ],
                "missing_information": [
                    "Individual interior photos for every leather-looking bag, especially the back wall and slip-pocket areas.",
                    "Straight-on close-ups of any interior leather patches, fabric tags, zipper pulls, or embossed logos.",
                    "Bottom, strap, and hardware close-ups for the black bags that could otherwise be mistaken for leather vintage handbags.",
                    "Seller-stated dimensions and material information for the individual bags."
                ],
                "authenticity_concerns": [
                    "photos 1-6: no Coach identifier is visible anywhere in this mixed lot; the materials and modern construction provide no meaningful Coach support.",
                    "photos 1-6: the apparent synthetic and nylon materials would be inconsistent with most vintage Coach classics."
                ],
                "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": "photos 1-6: assorted small gold- and silver-tone zippers, rings, snaps, and generic hardware; no clearly visible Coach-stamped hardware.",
                    "leather_description": "photos 1-6: mostly apparent synthetic leather, nylon, textile, and shiny coated material; genuine glove-tanned leather is not established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: assorted thin adjustable shoulder straps, textile cords, short handles, and braided synthetic handles; construction is mixed across the lot.",
                    "stitching_description": "photos 1-6: machine stitching is visible on some bags but individual stitch quality and stress points are not sufficiently detailed for authentication."
                },
                "possible_model_reasoning": [
                    "No Coach model is supportable from the group photos; the silhouettes are generic modern crossbody bags, totes, pouches, and backpacks rather than a clearly identifiable Coach classic.",
                    "Condition: mixed and largely unknown; visible synthetic bags show creasing, surface wear, and possible scuffing, while interiors and functional condition are not shown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: no Coach creed, wordmark, hangtag, or solid-brass turnlock visible on any of ~20 bags in lot to support Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 80,
                "estimated_resale_low": 30,
                "image_quality_score": 0.4,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed close-ups for any bag in lot",
                    "No interior views showing lining or patches",
                    "No hardware close-ups showing turnlock, zipper brand, or engravings",
                    "No hangtag front\/back views",
                    "Individual bag dimensions, materials, and brand labels not shown"
                ],
                "negative_evidence": [
                    "photo 1: lot consists of modern fast-fashion synthetic crossbodies, totes, pouches, plus Adidas nylon backpack and pink ARIZONA canvas tote - nylon, coated PVC, faux leather materials inconsistent with vintage Coach",
                    "photo 1-5: no solid brass turnlock geometry visible on any bag",
                    "photo 1-5: no unlined glove-tanned leather with suede back visible; bags appear thin faux leather, plastic, nylon, canvas",
                    "photo 2: visible non-Coach branding - adidas logo, ARIZONA print",
                    "photo 1: silhouettes are modern zip-top crossbodies, hobo with braided strap, drawstring backpack - no catalog Coach classic silhouette with flap + turnlock"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "mixed silver-tone zippers and thin straps visible at distance; no solid brass turnlock, dogleash clips, or COACH-stamped hardware visible",
                    "leather_description": "appears to be black faux\/PU leather, clear vinyl, nylon, and printed canvas; no thick glove-tanned cowhide with patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "various thin synthetic crossbody straps, fabric tote handles, nylon drawstring cords; no buckle-adjustable leather straps with brass slides visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: objects are handbags - multiple shoulder bags, crossbodies, totes and pouches laid out"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no turnlock flap bags, no unlined glove-tanned construction, no creed or hangtag, silhouettes and materials are modern synthetic fast-fashion, not 1970s-1990s classics",
                    "Condition: mixed Good to Fair for lot as seen at distance - surface wear on faux leather, slouching, but no close detail to grade; interiors and bottoms not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 20,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
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            "output_tokens": 785,
            "total_tokens": 27280,
            "estimated_cost_usd": 0.012482
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27636,
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}