Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.965,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is clearly marked JINGPIN, not COACH, on the front.",
        "photo 1: exterior appears to be synthetic woven nylon or polyester with multiple zippered compartments, unlike vintage Coach glove-tanned leather construction.",
        "photo 1: visible strap, zipper pulls, and flower charms are generic modern accessories; no Coach wordmark, carriage, or leather hangtag is visible.",
        "photo 5: close-up shows synthetic textile construction and plated gold-tone hardware rather than identifiable vintage Coach hardware.",
        "photo 6: the compact utility-phone-bag silhouette and 18 cm dimensions are inconsistent with the listed classic vintage Coach models.",
        "photo 1: woven nylon body with gold-tone zippers, not glove-tanned leather",
        "photo 1: front wordmark reads JINGPIN, not COACH",
        "photo 1: modern cell-phone crossbody with earphone grommet and webbing strap, no Coach silhouette",
        "photo 5: close-up shows synthetic oxford weave and plated hardware"
    ],
    "missing_information": [
        "photo 1-7: no interior Coach creed patch or fabric brand tag is shown.",
        "photo 1-7: no full view of the inside lining or any manufacturing label is provided.",
        "photo 1-7: no useful bottom or rear brand-mark detail beyond the shown generic construction."
    ],
    "authenticity_concerns": [
        "photo 1: JINGPIN branding directly identifies the item as a non-Coach product.",
        "photo 1: synthetic textile body and modern utility-phone-pouch design are inconsistent with vintage Coach leather handbag construction.",
        "photo 5: decorative flower zipper charms and plated hardware are lookalike\/generic details, not Coach identifiers."
    ],
    "possible_model_reasoning": [
        "photo 1, photo 6: compact 9 x 18 x 8 cm multi-zip phone pouch does not match the proportions or construction of the listed vintage Coach catalog styles.",
        "photo 1: the visible JINGPIN wordmark and synthetic utility construction support a modern non-Coach item.",
        "photo 1-7: no Coach creed, serial, carriage, hangtag, or other Coach identifier is visible.",
        "photo 1-7: condition appears new or near-new in stock\/product photography, but actual used condition cannot be established from these images.",
        "Not a Coach form: modern nylon phone pouch with JINGPIN branding has no creed, no Coach wordmark, no brass turnlock, no glove-tanned leather, so no Coach model applies",
        "Condition: New-appearing stock\/catalog images"
    ],
    "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, photo 5: gold-tone plated zipper hardware, rings, buckles, lobster clasps, and decorative flower charms; no Coach engraving visible.",
        "leather_description": "photo 1, photo 5: appears to be woven synthetic nylon or polyester fabric, not leather.",
        "lining_description": "photo 2: gray synthetic textile lining\/interior is visible; no Coach label is shown.",
        "strap_construction": "photo 1, photo 6: adjustable matching woven textile shoulder strap with plated metal buckle and detachable clips.",
        "stitching_description": "photo 1, photo 5: visible machine stitching appears generally even around the synthetic textile panels; not characteristic evidence of Coach."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is clearly marked JINGPIN, not COACH, on the front.",
                    "photo 1: exterior appears to be synthetic woven nylon or polyester with multiple zippered compartments, unlike vintage Coach glove-tanned leather construction.",
                    "photo 1: visible strap, zipper pulls, and flower charms are generic modern accessories; no Coach wordmark, carriage, or leather hangtag is visible.",
                    "photo 5: close-up shows synthetic textile construction and plated gold-tone hardware rather than identifiable vintage Coach hardware.",
                    "photo 6: the compact utility-phone-bag silhouette and 18 cm dimensions are inconsistent with the listed classic vintage Coach models."
                ],
                "missing_information": [
                    "photo 1-7: no interior Coach creed patch or fabric brand tag is shown.",
                    "photo 1-7: no full view of the inside lining or any manufacturing label is provided.",
                    "photo 1-7: no useful bottom or rear brand-mark detail beyond the shown generic construction."
                ],
                "authenticity_concerns": [
                    "photo 1: JINGPIN branding directly identifies the item as a non-Coach product.",
                    "photo 1: synthetic textile body and modern utility-phone-pouch design are inconsistent with vintage Coach leather handbag construction.",
                    "photo 5: decorative flower zipper charms and plated hardware are lookalike\/generic details, not Coach identifiers."
                ],
                "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, photo 5: gold-tone plated zipper hardware, rings, buckles, lobster clasps, and decorative flower charms; no Coach engraving visible.",
                    "leather_description": "photo 1, photo 5: appears to be woven synthetic nylon or polyester fabric, not leather.",
                    "lining_description": "photo 2: gray synthetic textile lining\/interior is visible; no Coach label is shown.",
                    "strap_construction": "photo 1, photo 6: adjustable matching woven textile shoulder strap with plated metal buckle and detachable clips.",
                    "stitching_description": "photo 1, photo 5: visible machine stitching appears generally even around the synthetic textile panels; not characteristic evidence of Coach."
                },
                "possible_model_reasoning": [
                    "photo 1, photo 6: compact 9 x 18 x 8 cm multi-zip phone pouch does not match the proportions or construction of the listed vintage Coach catalog styles.",
                    "photo 1: the visible JINGPIN wordmark and synthetic utility construction support a modern non-Coach item.",
                    "photo 1-7: no Coach creed, serial, carriage, hangtag, or other Coach identifier is visible.",
                    "photo 1-7: condition appears new or near-new in stock\/product photography, but actual used condition cannot be established from these images."
                ],
                "confidence": 0.95,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.98,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: woven nylon body with gold-tone zippers, not glove-tanned leather",
                    "photo 1: front wordmark reads JINGPIN, not COACH",
                    "photo 1: modern cell-phone crossbody with earphone grommet and webbing strap, no Coach silhouette",
                    "photo 5: close-up shows synthetic oxford weave and plated hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zip-top zippers with flower charm pulls, metal grommet, swivel clips and slide buckle",
                    "leather_description": "no leather visible; purple synthetic nylon\/oxford fabric",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on synthetic binding, not_visible in detail",
                    "strap_construction": "purple woven webbing crossbody strap, buckle-adjustable with swivel clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach form: modern nylon phone pouch with JINGPIN branding has no creed, no Coach wordmark, no brass turnlock, no glove-tanned leather, so no Coach model applies",
                    "Condition: New-appearing stock\/catalog images"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19598,
            "output_tokens": 819,
            "total_tokens": 20417,
            "estimated_cost_usd": 0.009805
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20089,
            "output_tokens": 797,
            "total_tokens": 20886,
            "estimated_cost_usd": 0.004655
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}