Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.855,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.92,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: listing explicitly describes the material as PU leather; Coach vintage classics are genuine leather, not PU.",
        "photo 1: the bag has a repeated indented bow pattern rather than Coach's documented Signature C pattern or an unpatterned classic Coach leather construction.",
        "photo 1: bright silver-tone hardware and multiple rectangular zipper pulls are inconsistent with typical 1970s\u20131990s vintage Coach brass hardware.",
        "photo 2: product graphics identify the material as 'Premium PU Leather Material,' and the bag appears factory-new rather than vintage.",
        "photo 3: the bag uses multiple zippered compartments and a thin adjustable strap, with no visible Coach identifier.",
        "photo 7: zipper close-up shows no legible Coach marking.",
        "photo 3: labeled 'Premium PU Leather Material' - faux leather, Coach vintage is glove-tanned leather",
        "photo 1: modern zip-top multi-pocket crossbody with embossed bow pattern, no catalog Coach silhouette",
        "photo 1, photo 6: silver-tone coil zippers and thin plated hardware, not solid brass turnlock\/buckle hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "listing title states 'Soft PU Leather Lightweight' - lightweight contradicts heavy glove-tanned classics"
    ],
    "missing_information": [
        "photo 1-7: no interior view or interior brand label\/creed patch.",
        "photo 1-7: no close-up of any sewn-in manufacturer tag or country-of-origin label.",
        "photo 1-7: seller-provided stock\/product images rather than clear photos of the actual bag; actual condition and construction cannot be independently assessed.",
        "photo 1-6: no interior view shown so lining and creed cannot be checked",
        "photo 1-6: no creed patch or brand stamp shown",
        "photo 1-6: no bottom, hardware engraving, or interior label close-up"
    ],
    "authenticity_concerns": [
        "photo 1: PU construction, modern silver-tone hardware, and embossed bow motif are inconsistent with a vintage Coach leather handbag.",
        "photo 1-7: no creed, serial\/style number, Coach wordmark, horse-and-carriage mark, or hangtag is visible; the product appears to be an unbranded modern lookalike rather than a Coach item."
    ],
    "possible_model_reasoning": [
        "photo 1-7: no plausible Coach model match; the multi-zip rectangular crossbody is a generic modern utility-style bag.",
        "photo 2: the displayed 108 cm\/42.5 in strap and 24 \u00d7 19 \u00d7 10 cm dimensions are seller graphic claims, not independent measurements.",
        "photo 1-7: condition cannot be graded reliably because the images appear to be marketing images, although the pictured item is presented as new.",
        "No Coach model fits: zip-top PU crossbody with double front zips and bow embossing matches no catalog style in 4.2\/4.3",
        "Era reasoning: PU material, silver hardware, and stock-catalog presentation indicate modern fast-fashion, non-Coach",
        "Condition: appears new\/stock condition in catalog images, but condition grading not applicable as not Coach"
    ],
    "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, 2, 6, 7: silver-tone zipper hardware, rectangular zipper pulls, strap adjuster, and small attachment clips; no Coach engraving visible.",
        "leather_description": "photo 1-3, 5: seller states PU leather; photos show pebbled black synthetic-looking material with an indented bow pattern.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1, 2, 3, 6: long narrow adjustable shoulder strap with silver-tone adjuster and clip attachments.",
        "stitching_description": "photo 1-3, 5-7: regular machine stitching is visible around the exterior panels and zippered compartments; fine stitch quality and interior construction are not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.96,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: listing explicitly describes the material as PU leather; Coach vintage classics are genuine leather, not PU.",
                    "photo 1: the bag has a repeated indented bow pattern rather than Coach's documented Signature C pattern or an unpatterned classic Coach leather construction.",
                    "photo 1: bright silver-tone hardware and multiple rectangular zipper pulls are inconsistent with typical 1970s\u20131990s vintage Coach brass hardware.",
                    "photo 2: product graphics identify the material as 'Premium PU Leather Material,' and the bag appears factory-new rather than vintage.",
                    "photo 3: the bag uses multiple zippered compartments and a thin adjustable strap, with no visible Coach identifier.",
                    "photo 7: zipper close-up shows no legible Coach marking."
                ],
                "missing_information": [
                    "photo 1-7: no interior view or interior brand label\/creed patch.",
                    "photo 1-7: no close-up of any sewn-in manufacturer tag or country-of-origin label.",
                    "photo 1-7: seller-provided stock\/product images rather than clear photos of the actual bag; actual condition and construction cannot be independently assessed."
                ],
                "authenticity_concerns": [
                    "photo 1: PU construction, modern silver-tone hardware, and embossed bow motif are inconsistent with a vintage Coach leather handbag.",
                    "photo 1-7: no creed, serial\/style number, Coach wordmark, horse-and-carriage mark, or hangtag is visible; the product appears to be an unbranded modern lookalike 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1, 2, 6, 7: silver-tone zipper hardware, rectangular zipper pulls, strap adjuster, and small attachment clips; no Coach engraving visible.",
                    "leather_description": "photo 1-3, 5: seller states PU leather; photos show pebbled black synthetic-looking material with an indented bow pattern.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1, 2, 3, 6: long narrow adjustable shoulder strap with silver-tone adjuster and clip attachments.",
                    "stitching_description": "photo 1-3, 5-7: regular machine stitching is visible around the exterior panels and zippered compartments; fine stitch quality and interior construction are not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1-7: no plausible Coach model match; the multi-zip rectangular crossbody is a generic modern utility-style bag.",
                    "photo 2: the displayed 108 cm\/42.5 in strap and 24 \u00d7 19 \u00d7 10 cm dimensions are seller graphic claims, not independent measurements.",
                    "photo 1-7: condition cannot be graded reliably because the images appear to be marketing images, although the pictured item is presented as new."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: no interior view shown so lining and creed cannot be checked",
                    "photo 1-6: no creed patch or brand stamp shown",
                    "photo 1-6: no bottom, hardware engraving, or interior label close-up"
                ],
                "negative_evidence": [
                    "photo 3: labeled 'Premium PU Leather Material' - faux leather, Coach vintage is glove-tanned leather",
                    "photo 1: modern zip-top multi-pocket crossbody with embossed bow pattern, no catalog Coach silhouette",
                    "photo 1, photo 6: silver-tone coil zippers and thin plated hardware, not solid brass turnlock\/buckle hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "listing title states 'Soft PU Leather Lightweight' - lightweight contradicts heavy glove-tanned classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper pulls and strap rings\/slide; no turnlock; thin plated modern hardware",
                    "leather_description": "black pebbled-look PU faux leather with embossed bow lattice pattern as shown in photo 3 and photo 6 close-ups",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching visible on trim, no detailed stitch close-up to assess",
                    "strap_construction": "thin flat adjustable crossbody strap with metal slide and swivel clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top PU crossbody with double front zips and bow embossing matches no catalog style in 4.2\/4.3",
                    "Era reasoning: PU material, silver hardware, and stock-catalog presentation indicate modern fast-fashion, non-Coach",
                    "Condition: appears new\/stock condition in catalog images, but condition grading not applicable as not Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
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            "estimated_cost_usd": 0.011928
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            "model_name": "meta:muse-spark-1.3-contributor",
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}