Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.805,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot is a mixed group of contemporary-looking bags, including synthetic-looking quilted, crocodile-embossed, nylon\/mesh, and logo-plaque bags, rather than a coherent vintage Coach item",
        "photo 3: the cream bag has a clearly visible 'weitars' wordmark, not COACH",
        "photo 4: the black crocodile-embossed bag uses a large ring and decorative clasp, not a recognizable vintage Coach turnlock",
        "photo 5: the brown satchel has a generic clasp, glossy heavily creased surface, and decorative straps; no Coach wordmark, carriage, or hangtag is visible",
        "photo 6: the blue bag appears modern, pebbled synthetic or coated material with multiple zippers and no Coach identifiers",
        "photo 1: no visible Coach creed patch, serial\/style number, horse-and-carriage mark, or recognizable Coach construction is present on any clearly exposed bag",
        "photo 1,2: lot of ~10 modern fast-fashion bags - striped woven tote, faux-leather satchel, straw-look flap, quilted crossbody, nylon sling, croc-embossed vinyl - no vintage Coach silhouette",
        "photo 3: beige quilted sling has non-Coach brand plate 'weitars' with gold-tone plated zippers",
        "photo 4: black croc-embossed vinyl bag with high-gloss plastic finish and silver-tone ring handle - not glove-tanned leather",
        "photo 5,6: brown satchel and navy crossbody are thin faux-leather with plated hardware and modern construction, no solid brass, no Coach turnlock geometry",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible on any bag"
    ],
    "missing_information": [
        "photo 1-2: individual interior views of every bag, especially the back wall and slip pockets where a creed could appear",
        "photo 1-2: close-ups of all labels, logos, zipper pulls, and hardware",
        "photo 1-2: bottom, corners, straps, and construction details for each bag",
        "photo 1-2: the lot appears to contain more than one type of item, so individual bag identification is not possible from the group photos alone",
        "interiors \/ creed patches not shown for any bag in lot",
        "close-ups of hardware stamps \/ brand tags not shown except Weitars plate",
        "bottom \/ corner \/ strap detail not shown for individual bags"
    ],
    "authenticity_concerns": [
        "photo 1-7: no Coach identifiers are visible, and the group contains multiple modern generic or non-Coach branded bags",
        "photo 3: the visible 'weitars' branding identifies that bag as another brand, not Coach",
        "photo 4: the oversized decorative ring\/clasp is a lookalike-style cue and does not match the elegant classic Coach turnlock geometry",
        "photo 5: the brown satchel's glossy synthetic-looking finish and generic decorative hardware are inconsistent with a typical vintage glove-tanned Coach classic"
    ],
    "possible_model_reasoning": [
        "No bag in the 10-piece lot matches a Coach catalog silhouette, closure, or construction; all read as modern non-Coach fast fashion",
        "No creed, serial, wordmark, hangtag, solid brass, or unlined glove-tanned leather observed to support any Coach model",
        "Condition: mixed New to Good modern used; exact grade per bag cannot be determined from group shots"
    ],
    "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 5: generic brass-tone clasp and rings on the brown satchel; photo 4: large silver-tone ring\/clasp on the black embossed bag; no Coach-stamped hardware visible",
        "leather_description": "photo 1-7: several bags appear synthetic, coated, nylon, mesh, or embossed imitation leather; no clearly visible glove-tanned Coach leather",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2 and 5-7: mixed fixed handles, thin shoulder straps, and wide textile straps; individual attachment details are only partly visible",
        "stitching_description": "photo 3-7: visible stitching is generally machine-sewn and contemporary-looking; no distinctive Coach construction can be established"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "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": 0.79,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot is a mixed group of contemporary-looking bags, including synthetic-looking quilted, crocodile-embossed, nylon\/mesh, and logo-plaque bags, rather than a coherent vintage Coach item",
                    "photo 3: the cream bag has a clearly visible 'weitars' wordmark, not COACH",
                    "photo 4: the black crocodile-embossed bag uses a large ring and decorative clasp, not a recognizable vintage Coach turnlock",
                    "photo 5: the brown satchel has a generic clasp, glossy heavily creased surface, and decorative straps; no Coach wordmark, carriage, or hangtag is visible",
                    "photo 6: the blue bag appears modern, pebbled synthetic or coated material with multiple zippers and no Coach identifiers",
                    "photo 1: no visible Coach creed patch, serial\/style number, horse-and-carriage mark, or recognizable Coach construction is present on any clearly exposed bag"
                ],
                "missing_information": [
                    "photo 1-2: individual interior views of every bag, especially the back wall and slip pockets where a creed could appear",
                    "photo 1-2: close-ups of all labels, logos, zipper pulls, and hardware",
                    "photo 1-2: bottom, corners, straps, and construction details for each bag",
                    "photo 1-2: the lot appears to contain more than one type of item, so individual bag identification is not possible from the group photos alone"
                ],
                "authenticity_concerns": [
                    "photo 1-7: no Coach identifiers are visible, and the group contains multiple modern generic or non-Coach branded bags",
                    "photo 3: the visible 'weitars' branding identifies that bag as another brand, not Coach",
                    "photo 4: the oversized decorative ring\/clasp is a lookalike-style cue and does not match the elegant classic Coach turnlock geometry",
                    "photo 5: the brown satchel's glossy synthetic-looking finish and generic decorative hardware are inconsistent with a typical vintage glove-tanned Coach classic"
                ],
                "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": "photo 5: generic brass-tone clasp and rings on the brown satchel; photo 4: large silver-tone ring\/clasp on the black embossed bag; no Coach-stamped hardware visible",
                    "leather_description": "photo 1-7: several bags appear synthetic, coated, nylon, mesh, or embossed imitation leather; no clearly visible glove-tanned Coach leather",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2 and 5-7: mixed fixed handles, thin shoulder straps, and wide textile straps; individual attachment details are only partly visible",
                    "stitching_description": "photo 3-7: visible stitching is generally machine-sewn and contemporary-looking; no distinctive Coach construction can be established"
                },
                "possible_model_reasoning": [],
                "confidence": 0.76,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 50
            }
        },
        {
            "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": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interiors \/ creed patches not shown for any bag in lot",
                    "close-ups of hardware stamps \/ brand tags not shown except Weitars plate",
                    "bottom \/ corner \/ strap detail not shown for individual bags"
                ],
                "negative_evidence": [
                    "photo 1,2: lot of ~10 modern fast-fashion bags - striped woven tote, faux-leather satchel, straw-look flap, quilted crossbody, nylon sling, croc-embossed vinyl - no vintage Coach silhouette",
                    "photo 3: beige quilted sling has non-Coach brand plate 'weitars' with gold-tone plated zippers",
                    "photo 4: black croc-embossed vinyl bag with high-gloss plastic finish and silver-tone ring handle - not glove-tanned leather",
                    "photo 5,6: brown satchel and navy crossbody are thin faux-leather with plated hardware and modern construction, no solid brass, no Coach turnlock geometry",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible on any bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "mixed modern gold-tone and silver-tone plated zippers and clasps; small oval clasp on brown satchel, ring handle on black croc bag; no solid brass vintage turnlock visible",
                    "leather_description": "appears to be faux \/ synthetic leather, quilted synthetic, woven straw \/ textile, nylon - shiny coated surfaces, pebbled faux grain, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "modern machine stitching where visible; no detailed stitch assessment possible at this distance",
                    "strap_construction": "thin synthetic crossbody straps, woven guitar-strap, faux-leather top handles; no brass dogleash clips or buckle-adjustable glove-tanned straps",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No bag in the 10-piece lot matches a Coach catalog silhouette, closure, or construction; all read as modern non-Coach fast fashion",
                    "No creed, serial, wordmark, hangtag, solid brass, or unlined glove-tanned leather observed to support any Coach model",
                    "Condition: mixed New to Good modern used; exact grade per bag cannot be determined from group shots"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "output_tokens": 792,
            "total_tokens": 29576,
            "estimated_cost_usd": 0.013414
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}