Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is constructed from lightweight fabric or nylon with a wide woven textile strap, unlike the leather construction typical of vintage Coach.",
        "photo 1: Silver-tone circular emblem and small geometric mark do not visibly show a COACH wordmark, horse-and-carriage, or recognizable Coach hardware.",
        "photo 1: Quilted\/paneled soft messenger silhouette, gathered side sections, and waterproof\/lightweight styling are generic modern features rather than identifiable vintage Coach construction.",
        "photo 1: Seller title describes the item as waterproof and lightweight, which is inconsistent with classic glove-tanned Coach leather bags.",
        "photo 1: body is red nylon \/ synthetic waterproof fabric, not glove-tanned leather",
        "photo 2: silver-tone hardware and wide fabric webbing crossbody strap, not solid brass leather strap",
        "photo 2: round magnetic snap closure, not Coach turnlock geometry",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: seller title states waterproof lightweight - mild counter-evidence for vintage leather classic"
    ],
    "missing_information": [
        "photo 1: Interior, lining, creed patch, and fabric tags are not shown.",
        "photo 1: No close-up is provided of the circular emblem or small exterior mark.",
        "photo 1: Bottom, back, zipper pulls, and strap attachment details are not shown.",
        "Seller-stated material composition and any manufacturer information are not provided.",
        "photo 1-2: interior not shown, lining unknown",
        "photo 1-2: no creed patch shown",
        "photo 1-2: no bottom, side, or hardware close-up views"
    ],
    "authenticity_concerns": [
        "photo 1: The synthetic\/textile construction and generic silver-tone emblem provide no visible evidence of Coach manufacture.",
        "photo 1: The listing appears to use product-style promotional images, so condition and manufacturer details cannot be independently verified."
    ],
    "possible_model_reasoning": [
        "photo 1: The bag is a generic modern lightweight messenger\/crossbody and does not match a documented Coach vintage model.",
        "photo 1: No creed, serial\/style number, leather hangtag, or legible Coach branding is visible, so Coach model identification is not supportable.",
        "Condition cannot be reliably graded because only promotional front views are provided; interior, bottom, and actual wear are unknown.",
        "Condition: appears New\/unused in catalog-style white-background photos, but condition grade capped by missing interior\/bottom views",
        "Silhouette is modern nylon messenger\/hobo with magnetic snap and fabric strap - matches no vintage Coach catalog style in section 4",
        "Materials (nylon, silver-tone hardware, fabric strap) place in modern non-Coach fast-fashion segment per section 1 triage"
    ],
    "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: Silver-tone rectangular strap adjuster, strap rings, zipper hardware, and a circular exterior emblem are visible; no legible COACH engraving is visible.",
        "leather_description": "photo 1: Appears to be lightweight textile or nylon, not leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide adjustable woven textile shoulder strap with silver-tone rectangular adjuster and side attachment rings.",
        "stitching_description": "photo 1: Visible machine-sewn panel seams appear generally even; construction details are limited by the product-style images."
    },
    "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": 0.85,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is constructed from lightweight fabric or nylon with a wide woven textile strap, unlike the leather construction typical of vintage Coach.",
                    "photo 1: Silver-tone circular emblem and small geometric mark do not visibly show a COACH wordmark, horse-and-carriage, or recognizable Coach hardware.",
                    "photo 1: Quilted\/paneled soft messenger silhouette, gathered side sections, and waterproof\/lightweight styling are generic modern features rather than identifiable vintage Coach construction.",
                    "photo 1: Seller title describes the item as waterproof and lightweight, which is inconsistent with classic glove-tanned Coach leather bags."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, creed patch, and fabric tags are not shown.",
                    "photo 1: No close-up is provided of the circular emblem or small exterior mark.",
                    "photo 1: Bottom, back, zipper pulls, and strap attachment details are not shown.",
                    "Seller-stated material composition and any manufacturer information are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The synthetic\/textile construction and generic silver-tone emblem provide no visible evidence of Coach manufacture.",
                    "photo 1: The listing appears to use product-style promotional images, so condition and manufacturer details cannot be independently verified."
                ],
                "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: Silver-tone rectangular strap adjuster, strap rings, zipper hardware, and a circular exterior emblem are visible; no legible COACH engraving is visible.",
                    "leather_description": "photo 1: Appears to be lightweight textile or nylon, not leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide adjustable woven textile shoulder strap with silver-tone rectangular adjuster and side attachment rings.",
                    "stitching_description": "photo 1: Visible machine-sewn panel seams appear generally even; construction details are limited by the product-style images."
                },
                "possible_model_reasoning": [
                    "photo 1: The bag is a generic modern lightweight messenger\/crossbody and does not match a documented Coach vintage model.",
                    "photo 1: No creed, serial\/style number, leather hangtag, or legible Coach branding is visible, so Coach model identification is not supportable.",
                    "Condition cannot be reliably graded because only promotional front views are provided; interior, bottom, and actual wear are unknown."
                ],
                "confidence": 0.9,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1-2: interior not shown, lining unknown",
                    "photo 1-2: no creed patch shown",
                    "photo 1-2: no bottom, side, or hardware close-up views"
                ],
                "negative_evidence": [
                    "photo 1: body is red nylon \/ synthetic waterproof fabric, not glove-tanned leather",
                    "photo 2: silver-tone hardware and wide fabric webbing crossbody strap, not solid brass leather strap",
                    "photo 2: round magnetic snap closure, not Coach turnlock geometry",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: seller title states waterproof lightweight - mild counter-evidence for vintage leather classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal snap, rectangular slider and clips; lightweight plated appearance, not solid brass",
                    "leather_description": "no leather visible; smooth synthetic nylon fabric body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight seams visible but stitch detail not close enough to assess",
                    "strap_construction": "wide matching synthetic webbing crossbody strap with metal slider, attached with metal clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Condition: appears New\/unused in catalog-style white-background photos, but condition grade capped by missing interior\/bottom views",
                    "Silhouette is modern nylon messenger\/hobo with magnetic snap and fabric strap - matches no vintage Coach catalog style in section 4",
                    "Materials (nylon, silver-tone hardware, fabric strap) place in modern non-Coach fast-fashion segment per section 1 triage"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "output_tokens": 696,
            "total_tokens": 18049,
            "estimated_cost_usd": 0.008612
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        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}