Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.75,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing title explicitly describes the material as PU leather and the bag visibly has a padded, quilted synthetic-looking exterior, which is inconsistent with classic vintage Coach glove-tanned leather.",
        "photo 1: No Coach wordmark, creed patch, horse-and-carriage emblem, hangtag, or recognizable Coach construction is visible.",
        "photo 1: The bag has bright silver-tone strap hardware and a generic rectangular padded crossbody silhouette rather than a documented vintage Coach style.",
        "photo 1: seller title states PU leather - faux material excludes vintage Coach glove-tanned leather",
        "photo 1: modern puffy quilted grid flap silhouette with no Coach catalog match",
        "photo 1: thin flat crossbody strap with silver-tone buckle, not vintage solid brass Coach hardware",
        "photo 1: no creed patch, no COACH wordmark, no hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1: Only one exterior lifestyle photo is provided; interior, lining, bottom, back, zipper, hardware close-ups, and any labels are not shown.",
        "Request a straight-on interior photo showing all labels or stamps.",
        "Request close-ups of the zipper pull, strap clips, and any interior or exterior branding.",
        "photo 1 only: no interior, creed, bottom, back, or hardware close-up views",
        "creed patch not shown - request straight-on interior photo",
        "lining material and hardware engravings not visible"
    ],
    "authenticity_concerns": [
        "photo 1: The PU material and generic construction strongly indicate a non-Coach fashion bag rather than a replica or genuine vintage Coach item."
    ],
    "possible_model_reasoning": [
        "photo 1: The small rectangular padded crossbody shape does not closely match a specific documented Coach model and lacks Coach identifiers.",
        "photo 1: Era is assessed as modern based on the PU material, padded design, and bright silver-tone hardware.",
        "Condition: visually Good to Very Good from the single exterior view; no obvious major damage is visible, but interior, bottom, corners, and function are unverified.",
        "photo 1: quilted puffy flap crossbody does not match any vintage Coach classic (Willis, Court, Dinky, City Bag, etc.) in shape, quilting, or hardware",
        "photo 1: PU material plus silver-tone hardware points to modern fast-fashion, non-Coach per triage rule",
        "Condition: appears New\/Like New in single lifestyle shot, but only one view so grade capped"
    ],
    "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: Bright silver-tone buckle and swivel strap clips are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Smooth brown padded\/quilted material; seller describes it as PU leather, and no natural leather grain is visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long narrow adjustable crossbody strap with a silver-tone buckle and swivel clips; visible edge stitching.",
        "stitching_description": "photo 1: Exterior perimeter and quilt-panel stitching appear generally even, though only one lifestyle view is available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.57,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Listing title explicitly describes the material as PU leather and the bag visibly has a padded, quilted synthetic-looking exterior, which is inconsistent with classic vintage Coach glove-tanned leather.",
                    "photo 1: No Coach wordmark, creed patch, horse-and-carriage emblem, hangtag, or recognizable Coach construction is visible.",
                    "photo 1: The bag has bright silver-tone strap hardware and a generic rectangular padded crossbody silhouette rather than a documented vintage Coach style."
                ],
                "missing_information": [
                    "photo 1: Only one exterior lifestyle photo is provided; interior, lining, bottom, back, zipper, hardware close-ups, and any labels are not shown.",
                    "Request a straight-on interior photo showing all labels or stamps.",
                    "Request close-ups of the zipper pull, strap clips, and any interior or exterior branding."
                ],
                "authenticity_concerns": [
                    "photo 1: The PU material and generic construction strongly indicate a non-Coach fashion bag rather than a replica or genuine vintage 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: Bright silver-tone buckle and swivel strap clips are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Smooth brown padded\/quilted material; seller describes it as PU leather, and no natural leather grain is visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long narrow adjustable crossbody strap with a silver-tone buckle and swivel clips; visible edge stitching.",
                    "stitching_description": "photo 1: Exterior perimeter and quilt-panel stitching appear generally even, though only one lifestyle view is available."
                },
                "possible_model_reasoning": [
                    "photo 1: The small rectangular padded crossbody shape does not closely match a specific documented Coach model and lacks Coach identifiers.",
                    "photo 1: Era is assessed as modern based on the PU material, padded design, and bright silver-tone hardware.",
                    "Condition: visually Good to Very Good from the single exterior view; no obvious major damage is visible, but interior, bottom, corners, and function are unverified."
                ],
                "confidence": 0.62,
                "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, back, or hardware close-up views",
                    "creed patch not shown - request straight-on interior photo",
                    "lining material and hardware engravings not visible"
                ],
                "negative_evidence": [
                    "photo 1: seller title states PU leather - faux material excludes vintage Coach glove-tanned leather",
                    "photo 1: modern puffy quilted grid flap silhouette with no Coach catalog match",
                    "photo 1: thin flat crossbody strap with silver-tone buckle, not vintage solid brass Coach hardware",
                    "photo 1: no creed patch, no COACH wordmark, no hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle and small clips on thin strap; no turnlock visible",
                    "leather_description": "smooth brown PU faux leather with puffy quilted square padding on flap",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching around flap visible; no detail sufficient for era assessment",
                    "strap_construction": "thin flat adjustable crossbody strap with buckle slider",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: quilted puffy flap crossbody does not match any vintage Coach classic (Willis, Court, Dinky, City Bag, etc.) in shape, quilting, or hardware",
                    "photo 1: PU material plus silver-tone hardware points to modern fast-fashion, non-Coach per triage rule",
                    "Condition: appears New\/Like New in single lifestyle shot, but only one view so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "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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}