Vintage Coach Hunter

{
    "is_handbag_probability": 0.165,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.37,
    "confidence": 0.9,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the item is a backpack\/tote-style bag rather than a vintage Coach handbag.",
        "photos 1, 2, 5, and 6: all-over repeating geometric monogram pattern is not Coach Signature C pattern.",
        "photo 4: interior fabric visibly includes repeated GOYARD wording, identifying a different brand motif rather than Coach.",
        "photos 1\u20136: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photos 1\u20136: modern silver-tone zipper hardware, coated patterned textile, and structured black trim are inconsistent with classic vintage Coach glove-tanned leather construction.",
        "photo 1,2,4,5: backpack silhouette with all-over Y-pattern coated canvas, not Coach glove-tanned leather or Signature C pattern",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, turnlock, or leather hangtag visible",
        "photo 3: light woven fabric lining with black trim and silver-tone zipper, inconsistent with vintage Coach unlined suede interior and solid brass",
        "photo 1,2,4,5: new-appearing coated canvas with protective foam on handles and yellow dust bag, modern fast-fashion construction"
    ],
    "missing_information": [
        "photo 4: the interior brand text and any sewn-in manufacturing label are partially obscured; request a straight-on close-up if determining the actual brand.",
        "photo 4: request close-ups of all interior labels, zipper pulls, and hardware markings.",
        "photos 1\u20136: request a clear bottom, side, strap, and interior-pocket inspection if evaluating condition or possible counterfeit status.",
        "No Coach creed patch shown in any photo - no interior back-wall patch visible",
        "No bottom, side, or hardware close-up brand stamps shown",
        "No seller-stated dimensions or materials beyond photos"
    ],
    "authenticity_concerns": [
        "photos 1\u20136: the bag appears to imitate a Goyard-style monogram and is listed as unbranded; it should not be treated as Coach.",
        "photo 4: visible GOYARD wording is not a Coach identifier; the actual Goyard authenticity cannot be determined from these photos."
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern backpack\/tote construction, not a recognizable vintage Coach model.",
        "The repeating monogram and visible GOYARD text point toward a Goyard-style or Goyard-branded item, not Coach.",
        "Condition: appears new or near-new externally because protective wrapping remains on the handles, but interior, odor, and full strap condition are not fully documented.",
        "Not a Coach silhouette: zip-top backpack in Goyard-likeine canvas has no match in Coach classic catalog (City Bag, Willis, Court, Station, Duffle etc are leather flap\/bucket shapes)",
        "No hard identifiers for Coach: no creed, no serial, no wordmark, no hangtag, no brass turnlock in photos 1-5",
        "Materials point away from Coach: coated printed canvas + fabric lining + silver zip vs vintage Coach unlined glove-tanned + solid brass",
        "Condition: appears New\/Like New unused with wrapping still on handles (photos 1,2,4,5), but condition grade for Coach not applicable as non-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": "photos 1\u20136: silver-tone zipper teeth and pulls, with black leather-like trim and no visible Coach engraving.",
        "leather_description": "photos 1\u20136: black leather-like trim with a patterned coated textile or canvas body; not vintage glove-tanned leather.",
        "lining_description": "photo 4: light-colored fabric lining with a large interior slip pocket; patterned material near the opening visibly carries repeated GOYARD wording.",
        "strap_construction": "photos 1, 2, and 6: two adjustable backpack shoulder straps and short top handles, with protective wrapping still present on portions of the handles.",
        "stitching_description": "photos 1\u20136: visible machine stitching appears generally even on the trim; detailed stress-point and seam inspection is limited."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0187,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.18,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the item is a backpack\/tote-style bag rather than a vintage Coach handbag.",
                    "photos 1, 2, 5, and 6: all-over repeating geometric monogram pattern is not Coach Signature C pattern.",
                    "photo 4: interior fabric visibly includes repeated GOYARD wording, identifying a different brand motif rather than Coach.",
                    "photos 1\u20136: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photos 1\u20136: modern silver-tone zipper hardware, coated patterned textile, and structured black trim are inconsistent with classic vintage Coach glove-tanned leather construction."
                ],
                "missing_information": [
                    "photo 4: the interior brand text and any sewn-in manufacturing label are partially obscured; request a straight-on close-up if determining the actual brand.",
                    "photo 4: request close-ups of all interior labels, zipper pulls, and hardware markings.",
                    "photos 1\u20136: request a clear bottom, side, strap, and interior-pocket inspection if evaluating condition or possible counterfeit status."
                ],
                "authenticity_concerns": [
                    "photos 1\u20136: the bag appears to imitate a Goyard-style monogram and is listed as unbranded; it should not be treated as Coach.",
                    "photo 4: visible GOYARD wording is not a Coach identifier; the actual Goyard authenticity cannot be determined from these photos."
                ],
                "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\u20136: silver-tone zipper teeth and pulls, with black leather-like trim and no visible Coach engraving.",
                    "leather_description": "photos 1\u20136: black leather-like trim with a patterned coated textile or canvas body; not vintage glove-tanned leather.",
                    "lining_description": "photo 4: light-colored fabric lining with a large interior slip pocket; patterned material near the opening visibly carries repeated GOYARD wording.",
                    "strap_construction": "photos 1, 2, and 6: two adjustable backpack shoulder straps and short top handles, with protective wrapping still present on portions of the handles.",
                    "stitching_description": "photos 1\u20136: visible machine stitching appears generally even on the trim; detailed stress-point and seam inspection is limited."
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern backpack\/tote construction, not a recognizable vintage Coach model.",
                    "The repeating monogram and visible GOYARD text point toward a Goyard-style or Goyard-branded item, not Coach.",
                    "Condition: appears new or near-new externally because protective wrapping remains on the handles, but interior, odor, and full strap condition are not fully documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.15,
                "missing_information": [
                    "No Coach creed patch shown in any photo - no interior back-wall patch visible",
                    "No bottom, side, or hardware close-up brand stamps shown",
                    "No seller-stated dimensions or materials beyond photos"
                ],
                "negative_evidence": [
                    "photo 1,2,4,5: backpack silhouette with all-over Y-pattern coated canvas, not Coach glove-tanned leather or Signature C pattern",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, turnlock, or leather hangtag visible",
                    "photo 3: light woven fabric lining with black trim and silver-tone zipper, inconsistent with vintage Coach unlined suede interior and solid brass",
                    "photo 1,2,4,5: new-appearing coated canvas with protective foam on handles and yellow dust bag, modern fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper with black tape; small metal D-ring inside; no brass turnlock or solid brass hardware visible",
                    "leather_description": "black and brown all-over Y-motif coated canvas body with black smooth trim at top, handles and base; not glove-tanned leather",
                    "lining_description": "photo 3: off-white woven fabric lining with interior slip pocket trimmed in black",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight dark stitching on black trim; no detailed stitch close-up visible",
                    "strap_construction": "short top handles, one wrapped in foam; side zip extensions; backpack form but rear straps not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: zip-top backpack in Goyard-likeine canvas has no match in Coach classic catalog (City Bag, Willis, Court, Station, Duffle etc are leather flap\/bucket shapes)",
                    "No hard identifiers for Coach: no creed, no serial, no wordmark, no hangtag, no brass turnlock in photos 1-5",
                    "Materials point away from Coach: coated printed canvas + fabric lining + silver zip vs vintage Coach unlined glove-tanned + solid brass",
                    "Condition: appears New\/Like New unused with wrapping still on handles (photos 1,2,4,5), but condition grade for Coach not applicable as non-Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}