Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.6,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.83,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: interior is shiny synthetic-looking fabric with exposed zipper hardware, not the unlined suede or leather interior typical of vintage Coach classics.",
        "photo 3: exterior appears to be lightweight quilted or synthetic textile rather than glove-tanned leather or Coach signature canvas.",
        "photo 4: visible construction uses multiple zippered compartments and gathered textile panels, with no recognizable vintage Coach turnlock silhouette.",
        "photo 5: adjustable fabric strap and dark-tone rings are visible, but there is no Coach wordmark, carriage, hangtag, or creed patch.",
        "photo 6: interior pocket and lining are visible without any Coach creed, serial\/style number, or brand label.",
        "seller listing identifies it only as 'No Brand'; this is consistent with the photos and provides no meaningful Coach evidence.",
        "photo 1, photo 3, photo 6: shiny synthetic polyester satin lining throughout, not unlined suede-back glove-tanned",
        "photo 1, photo 3, photo 6: unbranded black zipper pulls with no Talon\/YKK\/Coach marking visible",
        "photo 4, photo 5: thin flat adjustable crossbody strap with dark-tone buckle and rings, not solid brass dogleash\/lobster or buckle-slide Coach construction",
        "photo 2, photo 4, photo 5: thin washed\/soft lime-green leather with wrinkling and no glove-tanned grain\/patina",
        "photo 5: zip-top closure with side end pockets and no turnlock, no flap, no catalog Coach silhouette"
    ],
    "missing_information": [
        "photo 5: close-up of the strap attachment hardware and zipper pulls if any brand engraving is present.",
        "photo 6: a fully emptied interior and close-up of all seams or labels, although the visible lining already appears non-Coach.",
        "seller-stated material and measurements are not provided.",
        "photo 1-6: no creed patch or brand stamp shown - request straight-on interior wall\/pocket photo to confirm absence",
        "photo 5: no front\/back\/side exterior in focus - request sharp exterior views",
        "photo 4: bottom view only - no corner wear detail, hardware close-up, or scale\/dimensions"
    ],
    "authenticity_concerns": [
        "photo 1: synthetic textile and shiny lining are inconsistent with the leather construction expected of most vintage Coach handbags.",
        "photo 3: no Coach identifier is visible anywhere in the available interior views.",
        "photo 5: silhouette and gathered fabric construction resemble a generic nylon or textile shoulder bag rather than a cataloged vintage Coach leather model."
    ],
    "possible_model_reasoning": [
        "The bag is a genuine handbag based on its compact shoulder-bag shape, zipper closure, multiple pockets, and adjustable strap (photos 1, 4, 5 and 6).",
        "No listed Coach model fits the visible lightweight gathered textile construction, shiny lining, and multi-zipper layout. The closest category is a generic modern textile shoulder or crossbody bag, not a vintage leather Coach style.",
        "Condition appears Good: visible wrinkling, gathered or puckered exterior panels, and general pre-owned wear (photos 2, 4 and 5); functional condition of the zippers and strap is not demonstrated.",
        "No Coach identifier visible in any photo: no creed patch, no wordmark, no hangtag, no horse-and-carriage, no solid brass turnlock",
        "Construction inconsistent with vintage Coach classics: fabric-lined interior, zip-top, thin strap, non-brass hardware points to modern fast-fashion\/mall brand, not 1970s-1990s glove-tanned era",
        "Silhouette (soft zip-top crossbody with front pocket and two end pockets) does not match any catalog classic style; no style number to decode",
        "Condition: Good to Very Good as seller states; soft wrinkling\/creasing overall, light soiling on bottom in photo 4, but no structural damage visible; lining intact"
    ],
    "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, 3, 5 and 6 show zipper pulls, rings, and strap attachment hardware; no readable brand engraving is visible. Hardware appears dark or light plated rather than the substantial solid-brass hardware of many vintage Coach classics.",
        "leather_description": "not_visible; exterior appears to be lightweight synthetic or textile material rather than leather.",
        "lining_description": "Photos 1, 2, 3 and 6 show shiny synthetic-looking textile lining in a light yellow-green tone, with several interior zippered pockets.",
        "strap_construction": "Photo 5: adjustable narrow fabric or synthetic strap attached with rings and small clips; strap shows visible wrinkling and wear.",
        "stitching_description": "Photos 2, 3, 5 and 6: machine stitching is visible around gathered textile panels and pockets; some seams appear uneven or puckered from the soft material."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: interior is shiny synthetic-looking fabric with exposed zipper hardware, not the unlined suede or leather interior typical of vintage Coach classics.",
                    "photo 3: exterior appears to be lightweight quilted or synthetic textile rather than glove-tanned leather or Coach signature canvas.",
                    "photo 4: visible construction uses multiple zippered compartments and gathered textile panels, with no recognizable vintage Coach turnlock silhouette.",
                    "photo 5: adjustable fabric strap and dark-tone rings are visible, but there is no Coach wordmark, carriage, hangtag, or creed patch.",
                    "photo 6: interior pocket and lining are visible without any Coach creed, serial\/style number, or brand label.",
                    "seller listing identifies it only as 'No Brand'; this is consistent with the photos and provides no meaningful Coach evidence."
                ],
                "missing_information": [
                    "photo 5: close-up of the strap attachment hardware and zipper pulls if any brand engraving is present.",
                    "photo 6: a fully emptied interior and close-up of all seams or labels, although the visible lining already appears non-Coach.",
                    "seller-stated material and measurements are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: synthetic textile and shiny lining are inconsistent with the leather construction expected of most vintage Coach handbags.",
                    "photo 3: no Coach identifier is visible anywhere in the available interior views.",
                    "photo 5: silhouette and gathered fabric construction resemble a generic nylon or textile shoulder bag rather than a cataloged vintage Coach leather model."
                ],
                "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, 3, 5 and 6 show zipper pulls, rings, and strap attachment hardware; no readable brand engraving is visible. Hardware appears dark or light plated rather than the substantial solid-brass hardware of many vintage Coach classics.",
                    "leather_description": "not_visible; exterior appears to be lightweight synthetic or textile material rather than leather.",
                    "lining_description": "Photos 1, 2, 3 and 6 show shiny synthetic-looking textile lining in a light yellow-green tone, with several interior zippered pockets.",
                    "strap_construction": "Photo 5: adjustable narrow fabric or synthetic strap attached with rings and small clips; strap shows visible wrinkling and wear.",
                    "stitching_description": "Photos 2, 3, 5 and 6: machine stitching is visible around gathered textile panels and pockets; some seams appear uneven or puckered from the soft material."
                },
                "possible_model_reasoning": [
                    "The bag is a genuine handbag based on its compact shoulder-bag shape, zipper closure, multiple pockets, and adjustable strap (photos 1, 4, 5 and 6).",
                    "No listed Coach model fits the visible lightweight gathered textile construction, shiny lining, and multi-zipper layout. The closest category is a generic modern textile shoulder or crossbody bag, not a vintage leather Coach style.",
                    "Condition appears Good: visible wrinkling, gathered or puckered exterior panels, and general pre-owned wear (photos 2, 4 and 5); functional condition of the zippers and strap is not demonstrated."
                ],
                "confidence": 0.88,
                "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": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.42,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1-6: no creed patch or brand stamp shown - request straight-on interior wall\/pocket photo to confirm absence",
                    "photo 5: no front\/back\/side exterior in focus - request sharp exterior views",
                    "photo 4: bottom view only - no corner wear detail, hardware close-up, or scale\/dimensions"
                ],
                "negative_evidence": [
                    "photo 1, photo 3, photo 6: shiny synthetic polyester satin lining throughout, not unlined suede-back glove-tanned",
                    "photo 1, photo 3, photo 6: unbranded black zipper pulls with no Talon\/YKK\/Coach marking visible",
                    "photo 4, photo 5: thin flat adjustable crossbody strap with dark-tone buckle and rings, not solid brass dogleash\/lobster or buckle-slide Coach construction",
                    "photo 2, photo 4, photo 5: thin washed\/soft lime-green leather with wrinkling and no glove-tanned grain\/patina",
                    "photo 5: zip-top closure with side end pockets and no turnlock, no flap, no catalog Coach silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone base metal rings and rectangular buckle on strap; black unbranded zipper pulls; no solid brass, no turnlock, no stamped pulls visible",
                    "leather_description": "thin soft lime\/chartreuse leather-like material, heavily wrinkled\/slouchy, no glove-tanned full-grain texture visible",
                    "lining_description": "shiny lime-yellow synthetic polyester satin lining with interior zip pocket and slip pocket visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "basic straight stitching, visible topstitching on end pocket in photo 2; no tight matched-thread Coach construction visible",
                    "strap_construction": "thin flat same-material adjustable crossbody strap with buckle adjustment and metal rings at anchors",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed patch, no wordmark, no hangtag, no horse-and-carriage, no solid brass turnlock",
                    "Construction inconsistent with vintage Coach classics: fabric-lined interior, zip-top, thin strap, non-brass hardware points to modern fast-fashion\/mall brand, not 1970s-1990s glove-tanned era",
                    "Silhouette (soft zip-top crossbody with front pocket and two end pockets) does not match any catalog classic style; no style number to decode",
                    "Condition: Good to Very Good as seller states; soft wrinkling\/creasing overall, light soiling on bottom in photo 4, but no structural damage visible; lining intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17709,
            "output_tokens": 861,
            "total_tokens": 18570,
            "estimated_cost_usd": 0.00915
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18044,
            "output_tokens": 1224,
            "total_tokens": 19268,
            "estimated_cost_usd": 0.004588
        }
    ]
}