Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.02,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.61,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.83,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is made of striped cotton\/textile fabric rather than the glove-tanned leather or Coach signature canvas typical of the relevant Coach examples",
        "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or leather hangtag",
        "photo 1: overall construction appears to be a simple textile crossbody with fabric strap and small metal zipper hardware, not a recognizable vintage Coach leather silhouette",
        "photo 1: woven striped cotton textile body in pink\/white\/green, not glove-tanned leather",
        "photo 1: no solid brass hardware, no turnlock, no leather hangtag, no COACH wordmark visible",
        "photo 1: wide flat textile strap sewn to body, no buckle-adjust or dogleash clips",
        "photo 1: zip-top with small silver-tone pulls, inconsistent with vintage Coach classics"
    ],
    "missing_information": [
        "photo 1: interior, lining, zipper pull, and any sewn-in brand or care labels are not shown",
        "photo 1: back, bottom, strap attachment points, and close-up hardware views are not shown",
        "photo 1 only: no interior, creed, bottom, side, or hardware close-up views",
        "dimensions and fabric tag \/ brand label not shown"
    ],
    "authenticity_concerns": [
        "photo 1: textile construction and absence of any visible Coach identifier are inconsistent with a vintage glove-tanned Coach handbag; it is more likely an unrelated unbranded cotton bag"
    ],
    "possible_model_reasoning": [
        "photo 1: the shape supports identification as a small textile crossbody, but it does not match a specific Coach catalog model.",
        "photo 1: no visible identifier supports Coach manufacture or a vintage pre-2000 era.",
        "Condition: visually Very Good based on the shown exterior, with no obvious major tears or stains; interior and underside condition are unknown.",
        "photo 1 cotton striped crossbody with zip top and front zip pocket matches no Coach catalog silhouette in skill",
        "materials (cotton textile, silver-tone zips) and construction point to modern non-Coach fast-fashion \/ handmade textile bag",
        "Condition: unable to grade fully from single hanging shot; appears intact but no basis for tier"
    ],
    "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: small light-colored metal zipper hardware is visible; no Coach engraving is legible",
        "leather_description": "photo 1: no leather is visibly present; body and strap appear to be striped cotton or other textile",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long matching striped textile shoulder strap, apparently sewn into the bag body",
        "stitching_description": "photo 1: visible textile seams appear generally straight, but close-up stitching quality cannot be assessed"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is made of striped cotton\/textile fabric rather than the glove-tanned leather or Coach signature canvas typical of the relevant Coach examples",
                    "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or leather hangtag",
                    "photo 1: overall construction appears to be a simple textile crossbody with fabric strap and small metal zipper hardware, not a recognizable vintage Coach leather silhouette"
                ],
                "missing_information": [
                    "photo 1: interior, lining, zipper pull, and any sewn-in brand or care labels are not shown",
                    "photo 1: back, bottom, strap attachment points, and close-up hardware views are not shown"
                ],
                "authenticity_concerns": [
                    "photo 1: textile construction and absence of any visible Coach identifier are inconsistent with a vintage glove-tanned Coach handbag; it is more likely an unrelated unbranded cotton bag"
                ],
                "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: small light-colored metal zipper hardware is visible; no Coach engraving is legible",
                    "leather_description": "photo 1: no leather is visibly present; body and strap appear to be striped cotton or other textile",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long matching striped textile shoulder strap, apparently sewn into the bag body",
                    "stitching_description": "photo 1: visible textile seams appear generally straight, but close-up stitching quality cannot be assessed"
                },
                "possible_model_reasoning": [
                    "photo 1: the shape supports identification as a small textile crossbody, but it does not match a specific Coach catalog model.",
                    "photo 1: no visible identifier supports Coach manufacture or a vintage pre-2000 era.",
                    "Condition: visually Very Good based on the shown exterior, with no obvious major tears or stains; interior and underside condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, side, or hardware close-up views",
                    "dimensions and fabric tag \/ brand label not shown"
                ],
                "negative_evidence": [
                    "photo 1: woven striped cotton textile body in pink\/white\/green, not glove-tanned leather",
                    "photo 1: no solid brass hardware, no turnlock, no leather hangtag, no COACH wordmark visible",
                    "photo 1: wide flat textile strap sewn to body, no buckle-adjust or dogleash clips",
                    "photo 1: zip-top with small silver-tone pulls, inconsistent with vintage Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: small silver-tone zipper pulls on top and front pocket; no brass turnlock, buckles, D-rings or clips visible",
                    "leather_description": "photo 1: no leather visible; woven cotton striped textile",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 1: same striped cotton textile wide flat strap, appears sewn directly to bag body, no adjustment hardware visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 cotton striped crossbody with zip top and front zip pocket matches no Coach catalog silhouette in skill",
                    "materials (cotton textile, silver-tone zips) and construction point to modern non-Coach fast-fashion \/ handmade textile bag",
                    "Condition: unable to grade fully from single hanging shot; appears intact but no basis for tier"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}