Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.68,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.815,
    "recommended_max_bid": 10,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot visibly contains four fashion bags with synthetic-looking textile, faux-crocodile trim, quilting, and nylon webbing rather than vintage Coach glove-tanned leather.",
        "photo 1: the red bag has an all-over repeating A-like monogram, not Coach's paired-C signature pattern.",
        "photo 2: the blue bag has a large decorative equestrian-style medallion clasp; this is a lookalike cue rather than a recognizable Coach carriage identifier.",
        "photo 1: visible hardware is mostly light silver-tone\/plated hardware and ordinary zipper construction, inconsistent with classic vintage Coach solid-brass construction.",
        "photo 1: no legible Coach wordmark, creed, serial\/style number, or recognizable Coach hangtag is visible.",
        "photo 2: the gray quilted bag and other bags use nylon\/textile construction and webbing straps, not the typical leather construction of vintage Coach classics.",
        "photo 1: red bag is woven fabric with AA-triangle print with faux-croc trim, not Coach glove-tanned leather or Signature C canvas",
        "photo 1: gray bag is quilted nylon with circle stitching and webbing strap, material that mandates coach_probability <=0.05",
        "photo 2: turquoise blue bag has large equestrian medallion clasp and faux-croc trim, a lookalike cue not a Coach cue",
        "photo 1, photo 2: no solid-brass turnlock, no dogleash clips, no leather hangtag, no creed patch, no COACH wordmark visible on any of 4 bags",
        "photo 1, photo 2: fabric webbing straps and synthetic materials inconsistent with vintage Coach classics"
    ],
    "missing_information": [
        "photo 1-2: interiors, labels, and any sewn-in brand tags are not shown.",
        "photo 1-2: no close-up of zipper pulls, hardware markings, or underside of the blue medallion is provided.",
        "photo 1-2: bottoms, corners, and full strap attachments are not shown for all four bags.",
        "photo 1, photo 2: interior views not shown, creed patch not shown for any of the 4 bags",
        "photo 1, photo 2: hardware close-ups, zipper-pull stamps and Made-in labels not shown",
        "photo 1, photo 2: bottom, corners and strap-attachment details not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the all-over A-like motif and photo 2's oversized equestrian-style medallion may evoke designer branding but do not provide Coach evidence.",
        "photo 1-2: the visible synthetic\/textile materials and generic construction are inconsistent with the likely construction of vintage Coach glove-tanned leather bags."
    ],
    "possible_model_reasoning": [
        "photo 1-2: no Coach model is supportable from the visible silhouettes or construction; the lot appears to consist of generic modern fashion bags.",
        "photo 1-2: the textile, quilting, faux-crocodile trim, decorative medallion, and ordinary webbing suggest modern production rather than a pre-2000 Coach classic.",
        "photo 1-2: condition appears Good overall because visible bags show surface wear, creasing, and scuffing, although interiors and functionality are unverified.",
        "Lot of 4 modern synthetic\/fabric handbags, none matches a Coach catalog silhouette, closure, or construction",
        "No creed, serial, wordmark, hangtag, brass turnlock or glove-tanned leather to support any Coach model",
        "Condition: Good to Fair overall from exterior only; surface wear and casual construction visible, interior and bottoms not shown so capped"
    ],
    "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 1-2: light silver-tone zipper hardware, rings, snaps, and decorative metal components are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-2: faux-crocodile\/textured synthetic-looking trim and smooth synthetic-looking surfaces are visible; vintage glove-tanned leather is not apparent.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: several bags have wide nylon\/webbing straps; some narrow synthetic straps and metal attachment rings are visible.",
        "stitching_description": "photo 1-2: machine-stitched textile and synthetic trim are visible; stitch quality is not detailed enough for authentication."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0059,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot visibly contains four fashion bags with synthetic-looking textile, faux-crocodile trim, quilting, and nylon webbing rather than vintage Coach glove-tanned leather.",
                    "photo 1: the red bag has an all-over repeating A-like monogram, not Coach's paired-C signature pattern.",
                    "photo 2: the blue bag has a large decorative equestrian-style medallion clasp; this is a lookalike cue rather than a recognizable Coach carriage identifier.",
                    "photo 1: visible hardware is mostly light silver-tone\/plated hardware and ordinary zipper construction, inconsistent with classic vintage Coach solid-brass construction.",
                    "photo 1: no legible Coach wordmark, creed, serial\/style number, or recognizable Coach hangtag is visible.",
                    "photo 2: the gray quilted bag and other bags use nylon\/textile construction and webbing straps, not the typical leather construction of vintage Coach classics."
                ],
                "missing_information": [
                    "photo 1-2: interiors, labels, and any sewn-in brand tags are not shown.",
                    "photo 1-2: no close-up of zipper pulls, hardware markings, or underside of the blue medallion is provided.",
                    "photo 1-2: bottoms, corners, and full strap attachments are not shown for all four bags."
                ],
                "authenticity_concerns": [
                    "photo 1: the all-over A-like motif and photo 2's oversized equestrian-style medallion may evoke designer branding but do not provide Coach evidence.",
                    "photo 1-2: the visible synthetic\/textile materials and generic construction are inconsistent with the likely construction of vintage Coach glove-tanned leather bags."
                ],
                "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 1-2: light silver-tone zipper hardware, rings, snaps, and decorative metal components are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1-2: faux-crocodile\/textured synthetic-looking trim and smooth synthetic-looking surfaces are visible; vintage glove-tanned leather is not apparent.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: several bags have wide nylon\/webbing straps; some narrow synthetic straps and metal attachment rings are visible.",
                    "stitching_description": "photo 1-2: machine-stitched textile and synthetic trim are visible; stitch quality is not detailed enough for authentication."
                },
                "possible_model_reasoning": [
                    "photo 1-2: no Coach model is supportable from the visible silhouettes or construction; the lot appears to consist of generic modern fashion bags.",
                    "photo 1-2: the textile, quilting, faux-crocodile trim, decorative medallion, and ordinary webbing suggest modern production rather than a pre-2000 Coach classic.",
                    "photo 1-2: condition appears Good overall because visible bags show surface wear, creasing, and scuffing, although interiors and functionality are unverified."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1, photo 2: interior views not shown, creed patch not shown for any of the 4 bags",
                    "photo 1, photo 2: hardware close-ups, zipper-pull stamps and Made-in labels not shown",
                    "photo 1, photo 2: bottom, corners and strap-attachment details not shown"
                ],
                "negative_evidence": [
                    "photo 1: red bag is woven fabric with AA-triangle print with faux-croc trim, not Coach glove-tanned leather or Signature C canvas",
                    "photo 1: gray bag is quilted nylon with circle stitching and webbing strap, material that mandates coach_probability <=0.05",
                    "photo 2: turquoise blue bag has large equestrian medallion clasp and faux-croc trim, a lookalike cue not a Coach cue",
                    "photo 1, photo 2: no solid-brass turnlock, no dogleash clips, no leather hangtag, no creed patch, no COACH wordmark visible on any of 4 bags",
                    "photo 1, photo 2: fabric webbing straps and synthetic materials inconsistent with vintage Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zippers and rings visible; no solid brass turnlock, no brass dogleash clips; no engraved COACH marks visible",
                    "leather_description": "no glove-tanned cowhide visible; red fabric, gray nylon, pink suede-like synthetic\/faux, blue faux-leather with faux-croc trim",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; gray bag shows contrast circle quilting stitches",
                    "strap_construction": "fabric webbing crossbody straps on red, gray and blue bags; synthetic strap on pink bag",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot of 4 modern synthetic\/fabric handbags, none matches a Coach catalog silhouette, closure, or construction",
                    "No creed, serial, wordmark, hangtag, brass turnlock or glove-tanned leather to support any Coach model",
                    "Condition: Good to Fair overall from exterior only; surface wear and casual construction visible, interior and bottoms not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19645,
            "output_tokens": 870,
            "total_tokens": 20515,
            "estimated_cost_usd": 0.009946
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20269,
            "output_tokens": 1232,
            "total_tokens": 21501,
            "estimated_cost_usd": 0.005039
        }
    ]
}