Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.865,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: front view shows a plain beige rectangular zip crossbody with no visible Coach wordmark, carriage, hangtag, creed patch, or turnlock.",
        "photo 2: rear zip pocket uses bright silver-tone hardware, unlike the solid brass hardware typical of many vintage Coach classics.",
        "photo 5: interior has a synthetic-looking zigzag-patterned lining and the bag is packed in clear plastic, consistent with a new modern unbranded bag rather than a vintage Coach piece.",
        "photo 3: exposed construction and zipper hardware do not show any Coach engraving or other brand identifier.",
        "photo 1-3: no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock visible",
        "photo 2-4: silver-tone \/ nickel zipper hardware, not vintage solid brass",
        "photo 5: grey herringbone synthetic fabric lining, not unlined glove-tanned suede",
        "photo 1-3: uniform pebbled faux-appearing grain with piped edges, not vintage glove-tanned cowhide",
        "photo 4: plastic wrapping inside indicating NEW fast-fashion bag, not vintage Coach"
    ],
    "missing_information": [
        "photo 1-5: detachable strap is not shown in full, including its attachment hardware and stitching.",
        "photo 1-5: no close-up of zipper-pull stamps or any hidden brand\/care tag is provided.",
        "photo 1-5: bottom, side seams, and complete interior labeling are not shown.",
        "photo of any brand label \/ creed patch straight-on if present",
        "photo of detachable strap full length and hardware",
        "photo of zipper-pull brand stamp"
    ],
    "authenticity_concerns": [
        "photo 1-5: the plain modern silhouette, silver-tone zippers, synthetic-looking patterned lining, and absence of Coach identifiers are inconsistent with a recognizable vintage Coach classic.",
        "photo 5: clear protective packaging and apparent new condition are context cues for a modern unbranded accessory, not evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photo 1-5: no Coach model is supportable; the shape is a generic modern zip crossbody rather than a catalog-identifiable vintage Coach silhouette.",
        "photo 1-5: condition appears New or unused from the clear protective packaging, but strap condition and odor cannot be assessed.",
        "photo 1-5: no readable creed, serial\/style number, country line, or Coach wordmark is visible, so Coach dating is not possible.",
        "Small zip-top crossbody silhouette does not match any classic vintage Coach catalog style (no flap + turnlock, no City Bag \/ Willis \/ Court \/ Dinky features)",
        "Construction (silver hardware, synthetic herringbone lining, NEW condition, pebbled faux-like material) points to modern non-Coach fast fashion",
        "Condition: New; plastic still inside (photo 4), no wear visible"
    ],
    "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 1-3: bright silver-tone zipper hardware and rectangular zipper pulls; no visible brand engraving.",
        "leather_description": "photo 1-4: beige fine pebble-textured material with piped edges; leather type cannot be confirmed and it appears synthetic or coated rather than vintage glove-tanned leather.",
        "lining_description": "photo 5: dark gray patterned synthetic-looking fabric lining; interior is partly obscured by clear protective plastic.",
        "strap_construction": "not_visible - title states detachable strap but strap not shown fully; small strap tab and clip visible in photo 4-5 inside plastic",
        "stitching_description": "photo 1-4: visible perimeter and pocket stitching appears machine-sewn and generally even; detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "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": 0.84,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: front view shows a plain beige rectangular zip crossbody with no visible Coach wordmark, carriage, hangtag, creed patch, or turnlock.",
                    "photo 2: rear zip pocket uses bright silver-tone hardware, unlike the solid brass hardware typical of many vintage Coach classics.",
                    "photo 5: interior has a synthetic-looking zigzag-patterned lining and the bag is packed in clear plastic, consistent with a new modern unbranded bag rather than a vintage Coach piece.",
                    "photo 3: exposed construction and zipper hardware do not show any Coach engraving or other brand identifier."
                ],
                "missing_information": [
                    "photo 1-5: detachable strap is not shown in full, including its attachment hardware and stitching.",
                    "photo 1-5: no close-up of zipper-pull stamps or any hidden brand\/care tag is provided.",
                    "photo 1-5: bottom, side seams, and complete interior labeling are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1-5: the plain modern silhouette, silver-tone zippers, synthetic-looking patterned lining, and absence of Coach identifiers are inconsistent with a recognizable vintage Coach classic.",
                    "photo 5: clear protective packaging and apparent new condition are context cues for a modern unbranded accessory, not evidence of 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 1-3: bright silver-tone zipper hardware and rectangular zipper pulls; no visible brand engraving.",
                    "leather_description": "photo 1-4: beige fine pebble-textured material with piped edges; leather type cannot be confirmed and it appears synthetic or coated rather than vintage glove-tanned leather.",
                    "lining_description": "photo 5: dark gray patterned synthetic-looking fabric lining; interior is partly obscured by clear protective plastic.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 1-4: visible perimeter and pocket stitching appears machine-sewn and generally even; detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "photo 1-5: no Coach model is supportable; the shape is a generic modern zip crossbody rather than a catalog-identifiable vintage Coach silhouette.",
                    "photo 1-5: condition appears New or unused from the clear protective packaging, but strap condition and odor cannot be assessed.",
                    "photo 1-5: no readable creed, serial\/style number, country line, or Coach wordmark is visible, so Coach dating is not possible."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of any brand label \/ creed patch straight-on if present",
                    "photo of detachable strap full length and hardware",
                    "photo of zipper-pull brand stamp"
                ],
                "negative_evidence": [
                    "photo 1-3: no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock visible",
                    "photo 2-4: silver-tone \/ nickel zipper hardware, not vintage solid brass",
                    "photo 5: grey herringbone synthetic fabric lining, not unlined glove-tanned suede",
                    "photo 1-3: uniform pebbled faux-appearing grain with piped edges, not vintage glove-tanned cowhide",
                    "photo 4: plastic wrapping inside indicating NEW fast-fashion bag, not vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zippers; rectangular zip pull on back pocket (photo 2), top zip closure (photo 3-4); no brass, no turnlock, no stamps legible",
                    "leather_description": "off-white \/ beige pebbled grain material with uniform pebble, looks like faux \/ coated material, not glove-tanned full-grain; piped edges",
                    "lining_description": "grey herringbone-pattern synthetic fabric lining visible in photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight matching light stitching along zip and piping visible in photo 2-3",
                    "strap_construction": "not_visible - title states detachable strap but strap not shown fully; small strap tab and clip visible in photo 4-5 inside plastic",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Small zip-top crossbody silhouette does not match any classic vintage Coach catalog style (no flap + turnlock, no City Bag \/ Willis \/ Court \/ Dinky features)",
                    "Construction (silver hardware, synthetic herringbone lining, NEW condition, pebbled faux-like material) points to modern non-Coach fast fashion",
                    "Condition: New; plastic still inside (photo 4), no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}