Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.91,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is made from quilted synthetic\/nylon fabric rather than vintage glove-tanned leather.",
        "photo 1: visible zipper and buckle hardware do not show a Coach wordmark, horse-and-carriage, or vintage brass turnlock.",
        "photo 2: the strap is wide synthetic webbing with a plastic-looking adjustment buckle, unlike classic vintage Coach strap construction.",
        "photo 3: the interior is synthetic fabric-lined and contains no visible creed patch or Coach label.",
        "photo 5: the approximately 8-inch-wide belt-bag silhouette is a modern padded nylon accessory, not a recognizable vintage Coach leather model.",
        "photo 1: quilted nylon\/polyester puffy body, not glove-tanned leather",
        "photo 2: webbing belt strap with green plastic side-release buckle, not brass or leather",
        "photo 3: plain synthetic polyester lining with no leather creed patch",
        "photo 2: white retail tag reads BELT BAG, no COACH wordmark or horse-and-carriage anywhere",
        "photo 1, photo 4: zip-top belt-bag silhouette with no turnlock, no hangtag, no solid-brass hardware"
    ],
    "missing_information": [
        "A close-up of every interior label or sewn-in tag, if any.",
        "A close-up of the zipper pulls and buckle hardware for any brand markings.",
        "A full view of the back, bottom, and strap attachment points.",
        "No Coach creed, wordmark, or hardware stamps visible in any view; no further Coach-specific photos would change determination"
    ],
    "authenticity_concerns": [
        "The synthetic quilted construction, webbing strap, and modern padded belt-bag design are inconsistent with the classic vintage Coach leather handbag population.",
        "No Coach identifier is visible in the supplied photos; this appears to be an unbranded or non-Coach modern bag rather than a transplanted-identifier Coach item."
    ],
    "possible_model_reasoning": [
        "No Coach identifiers in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
        "Materials rule out vintage Coach: nylon shell, polyester lining, plastic buckle and webbing strap per Section 1 triage",
        "Form is modern fast-fashion quilted belt bag\/fanny pack ~7-8 in wide per tape in photo 4, not a Coach catalog silhouette",
        "Condition: Like New\/Excellent; puffy quilting intact, no stains or wear visible, interior clean (photo 3)"
    ],
    "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: top zipper with metallic-colored pull; photo 2: adjustable strap buckle appears synthetic or lightly plated; no Coach engraving visible.",
        "leather_description": "photo 1: quilted synthetic\/nylon textile with padded construction; no leather visible.",
        "lining_description": "photo 3: smooth synthetic textile lining, with no visible creed, fabric brand tag, or serial label.",
        "strap_construction": "photo 2: wide matching synthetic webbing belt strap with adjustable buckle.",
        "stitching_description": "photos 1-5: machine-stitched horizontal quilting and perimeter seams; stitching appears generally even, with no Coach-specific construction evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "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": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is made from quilted synthetic\/nylon fabric rather than vintage glove-tanned leather.",
                    "photo 1: visible zipper and buckle hardware do not show a Coach wordmark, horse-and-carriage, or vintage brass turnlock.",
                    "photo 2: the strap is wide synthetic webbing with a plastic-looking adjustment buckle, unlike classic vintage Coach strap construction.",
                    "photo 3: the interior is synthetic fabric-lined and contains no visible creed patch or Coach label.",
                    "photo 5: the approximately 8-inch-wide belt-bag silhouette is a modern padded nylon accessory, not a recognizable vintage Coach leather model."
                ],
                "missing_information": [
                    "A close-up of every interior label or sewn-in tag, if any.",
                    "A close-up of the zipper pulls and buckle hardware for any brand markings.",
                    "A full view of the back, bottom, and strap attachment points."
                ],
                "authenticity_concerns": [
                    "The synthetic quilted construction, webbing strap, and modern padded belt-bag design are inconsistent with the classic vintage Coach leather handbag population.",
                    "No Coach identifier is visible in the supplied photos; this appears to be an unbranded or non-Coach modern bag rather than a transplanted-identifier 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: top zipper with metallic-colored pull; photo 2: adjustable strap buckle appears synthetic or lightly plated; no Coach engraving visible.",
                    "leather_description": "photo 1: quilted synthetic\/nylon textile with padded construction; no leather visible.",
                    "lining_description": "photo 3: smooth synthetic textile lining, with no visible creed, fabric brand tag, or serial label.",
                    "strap_construction": "photo 2: wide matching synthetic webbing belt strap with adjustable buckle.",
                    "stitching_description": "photos 1-5: machine-stitched horizontal quilting and perimeter seams; stitching appears generally even, with no Coach-specific construction evidence."
                },
                "possible_model_reasoning": [],
                "confidence": 0.92,
                "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": 0.9,
                "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": [
                    "No Coach creed, wordmark, or hardware stamps visible in any view; no further Coach-specific photos would change determination"
                ],
                "negative_evidence": [
                    "photo 1: quilted nylon\/polyester puffy body, not glove-tanned leather",
                    "photo 2: webbing belt strap with green plastic side-release buckle, not brass or leather",
                    "photo 3: plain synthetic polyester lining with no leather creed patch",
                    "photo 2: white retail tag reads BELT BAG, no COACH wordmark or horse-and-carriage anywhere",
                    "photo 1, photo 4: zip-top belt-bag silhouette with no turnlock, no hangtag, no solid-brass hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "tone-matched metal coil zipper; green plastic side-release belt buckle; no brass, no turnlock, no engraved hardware visible",
                    "leather_description": "no leather visible; chartreuse quilted nylon\/synthetic puffy shell",
                    "lining_description": "photo 3: pale yellow-green synthetic lining, empty, no pockets or creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "horizontal quilted channel stitching on shell, even; bottom edge overlock stitching visible in photo 1",
                    "strap_construction": "wide olive-green woven webbing belt strap with adjustable plastic buckle, photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
                    "Materials rule out vintage Coach: nylon shell, polyester lining, plastic buckle and webbing strap per Section 1 triage",
                    "Form is modern fast-fashion quilted belt bag\/fanny pack ~7-8 in wide per tape in photo 4, not a Coach catalog silhouette",
                    "Condition: Like New\/Excellent; puffy quilting intact, no stains or wear visible, interior clean (photo 3)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26363,
            "output_tokens": 712,
            "total_tokens": 27075,
            "estimated_cost_usd": 0.012254
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27910,
            "output_tokens": 1220,
            "total_tokens": 29130,
            "estimated_cost_usd": 0.006558
        }
    ]
}