Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.935,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: listing identifies the material as microfiber synthetic\/vegan faux leather, which is inconsistent with the classic vintage Coach leather population.",
        "photo 2: the bag has a modern compact hobo\/wristlet design, patterned guitar strap, multiple detachable pouches, and contemporary gold-tone hardware rather than a vintage Coach construction.",
        "photo 2: the small front plaque does not visibly read COACH and no recognizable Coach wordmark or carriage is visible.",
        "photo 3: product dimensions and phone-oriented design indicate a contemporary mass-market accessory.",
        "photos 1-5: seller-provided product graphics show a new retail-style product presentation, not vintage wear or period construction.",
        "photo 2: seller states microfiber synthetic \/ vegan faux leather, not glove-tanned cowhide",
        "photo 2: magnetic snap pocket and zip-top hobo silhouette with no turnlock, no brass turnlock geometry",
        "photo 2-4: gold-tone plated modern hardware, woven guitar strap and detachable pouches, not vintage Coach construction",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
        "photo 1-5: catalog infographic \/ model lifestyle images of new mass-produced bag, not vintage leather patina or unlined suede interior"
    ],
    "missing_information": [
        "photo 2: the small front plaque is too small to identify; request a close-up if brand identification is relevant.",
        "photo 1: no straight-on interior back-wall photo showing whether any creed patch or fabric label exists.",
        "photo 2: no close-up of zipper pulls or all hardware markings.",
        "photo 3: no detailed close-up of stitching, edge finishing, or material surface."
    ],
    "authenticity_concerns": [
        "photos 1-5: synthetic\/vegan construction and modern multi-compartment organization are inconsistent with a vintage Coach handbag.",
        "photos 1-5: no Coach identifier is visible; the small front plaque appears generic or unreadable rather than a legible Coach mark."
    ],
    "possible_model_reasoning": [
        "No Coach identifiers visible in any of 5 infographic photos; material (vegan synthetic), hardware (gold-tone magnetic snap, modern zips), and multi-pouch guitar-strap hobo design are inconsistent with any vintage Coach catalog style",
        "Seller text explicitly states vegan faux leather and modern RFID wallet features, which excludes 1970s-1990s glove-tanned Coach classics",
        "Condition: New mass-produced; not gradable on vintage six-tier scale"
    ],
    "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 1-5: gold-tone zipper hardware, snap, clips, rings, and a built-in key clip are visible; no legible Coach engraving is visible.",
        "leather_description": "photos 1-5: black pebbled-looking synthetic or faux leather, consistent with the seller's stated microfiber vegan material.",
        "lining_description": "photo 1: dark interior compartments are shown in a capacity graphic, but lining material and labels are not clearly visible.",
        "strap_construction": "photos 2-5: detachable wide black-and-white patterned guitar strap plus a detachable wristlet strap; modern clip attachments are visible.",
        "stitching_description": "photos 2-4: exterior stitching appears generally even, but resolution and product graphics limit detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "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": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: listing identifies the material as microfiber synthetic\/vegan faux leather, which is inconsistent with the classic vintage Coach leather population.",
                    "photo 2: the bag has a modern compact hobo\/wristlet design, patterned guitar strap, multiple detachable pouches, and contemporary gold-tone hardware rather than a vintage Coach construction.",
                    "photo 2: the small front plaque does not visibly read COACH and no recognizable Coach wordmark or carriage is visible.",
                    "photo 3: product dimensions and phone-oriented design indicate a contemporary mass-market accessory.",
                    "photos 1-5: seller-provided product graphics show a new retail-style product presentation, not vintage wear or period construction."
                ],
                "missing_information": [
                    "photo 2: the small front plaque is too small to identify; request a close-up if brand identification is relevant.",
                    "photo 1: no straight-on interior back-wall photo showing whether any creed patch or fabric label exists.",
                    "photo 2: no close-up of zipper pulls or all hardware markings.",
                    "photo 3: no detailed close-up of stitching, edge finishing, or material surface."
                ],
                "authenticity_concerns": [
                    "photos 1-5: synthetic\/vegan construction and modern multi-compartment organization are inconsistent with a vintage Coach handbag.",
                    "photos 1-5: no Coach identifier is visible; the small front plaque appears generic or unreadable rather than a legible Coach mark."
                ],
                "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 1-5: gold-tone zipper hardware, snap, clips, rings, and a built-in key clip are visible; no legible Coach engraving is visible.",
                    "leather_description": "photos 1-5: black pebbled-looking synthetic or faux leather, consistent with the seller's stated microfiber vegan material.",
                    "lining_description": "photo 1: dark interior compartments are shown in a capacity graphic, but lining material and labels are not clearly visible.",
                    "strap_construction": "photos 2-5: detachable wide black-and-white patterned guitar strap plus a detachable wristlet strap; modern clip attachments are visible.",
                    "stitching_description": "photos 2-4: exterior stitching appears generally even, but resolution and product graphics limit detailed assessment."
                },
                "possible_model_reasoning": [],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "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": 0.01,
                "confidence": 0.97,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 2: seller states microfiber synthetic \/ vegan faux leather, not glove-tanned cowhide",
                    "photo 2: magnetic snap pocket and zip-top hobo silhouette with no turnlock, no brass turnlock geometry",
                    "photo 2-4: gold-tone plated modern hardware, woven guitar strap and detachable pouches, not vintage Coach construction",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
                    "photo 1-5: catalog infographic \/ model lifestyle images of new mass-produced bag, not vintage leather patina or unlined suede interior"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated zippers, magnetic snap, key clip and strap clasps; modern lightweight hardware, not solid brass vintage hardware",
                    "leather_description": "black pebbled-embossed synthetic microfiber vegan faux leather per seller text; no glove-tanned cowhide grain or patina visible",
                    "lining_description": "not_visible; interior compartments shown stuffed in photo 1 but lining material not legible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; uniform machine stitching on synthetic, no vintage Coach edge character visible",
                    "strap_construction": "wide black-white woven guitar crossbody strap plus wristlet strap and detachable dual keychain pouches; modern detachable construction",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any of 5 infographic photos; material (vegan synthetic), hardware (gold-tone magnetic snap, modern zips), and multi-pouch guitar-strap hobo design are inconsistent with any vintage Coach catalog style",
                    "Seller text explicitly states vegan faux leather and modern RFID wallet features, which excludes 1970s-1990s glove-tanned Coach classics",
                    "Condition: New mass-produced; not gradable on vintage six-tier scale"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17868,
            "output_tokens": 698,
            "total_tokens": 18566,
            "estimated_cost_usd": 0.008822
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18381,
            "output_tokens": 943,
            "total_tokens": 19324,
            "estimated_cost_usd": 0.004431
        }
    ]
}