Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: listing graphic identifies the material as PU leather and the bag has a contemporary structured satchel design.",
        "photo 3: the zipper pull visibly carries a non-Coach wordmark, and the bag has shiny gold-tone hardware and a modern detachable shoulder strap.",
        "photo 3: the exterior has a small rectangular brand plaque\/wordmark rather than a vintage Coach creed, Coach wordmark, or recognizable Coach hardware.",
        "photos 1-5: promotional images marked NEW show a lightweight, multi-compartment commercial fashion bag rather than a vintage glove-tanned leather Coach classic.",
        "listing text: seller states PU leather, brand new, lightweight, and four compartments\/seven pockets; these are modern synthetic-bag cues.",
        "photo 1-3: seller states PU leather, synthetic grain and waterproof claim inconsistent with vintage Coach glove-tanned leather",
        "photo 2-3: gold-tone script wordmark on front is not COACH wordmark or horse-and-carriage",
        "photo 1: brown fabric lining with multiple compartments\/pockets, not unlined suede-back glove-tanned classic interior",
        "photo 2-3: bright gold-tone plated hardware, lobster-clasp detachable strap and base feet on modern structured satchel, no solid brass turnlock",
        "seller text states Brand new, Lightweight Build, PU leather, convertible straps - modern fast-fashion attributes",
        "photo 1-5: NEW banner and infographic stock images, no vintage wear, patina or creed patch visible"
    ],
    "missing_information": [
        "photo 3: the small exterior brand plaque is too small to transcribe clearly.",
        "photo 1 or 2: no interior creed patch or fabric brand tag is shown.",
        "photo 3: zipper and hardware close-ups are promotional rather than detailed authentication views.",
        "photo 2: bottom, corners, interior lining, and full strap construction are not shown in ordinary product photographs.",
        "No photos of actual single sale bag - all images are catalog\/marketing composites",
        "No creed patch or interior brand stamp shown"
    ],
    "authenticity_concerns": [
        "photos 1-5: PU material is inconsistent with the glove-tanned leather construction of the vintage Coach classics being considered.",
        "photos 1-5: the modern promotional\/catalog presentation and contemporary multi-pocket satchel design do not provide Coach identifiers and are consistent with an unbranded or other-brand fashion bag.",
        "photo 3: the visible zipper pull appears to have a non-Coach brand marking; it is not a Coach vintage zipper pull."
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern generic structured satchel, not a specific vintage Coach catalog model; no Coach model is supported.",
        "Condition: seller states brand new and promotional images show unused merchandise, but ordinary corner, bottom, and interior condition cannot be independently assessed.",
        "The bag's advertised PU construction and contemporary compartments place it in the modern non-Coach category.",
        "Not a Coach silhouette: structured dome satchel with zip top and front zip pocket does not match any vintage Coach catalog style",
        "Materials and construction (PU, fabric lining, plated hardware, lightweight claim, new condition) place in modern non-Coach fast-fashion segment",
        "No creed, no COACH wordmark, no turnlock, no hangtag observed in any photo",
        "Condition: New as stated by seller; catalog images only"
    ],
    "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 3: shiny gold-tone rings, clips, zipper hardware, top handles, and round metal feet are visible; no vintage Coach turnlock is shown.",
        "leather_description": "photos 2-5: black synthetic-looking, smooth\/wrinkled PU material; listing explicitly states PU leather.",
        "lining_description": "photos 1-2: dark satin-like interior is visible in promotional open-bag graphics; exact lining material is not verifiable.",
        "strap_construction": "photos 2-3: two fixed top handles and a detachable adjustable shoulder strap with metal clips are visible.",
        "stitching_description": "photos 2-5: exterior seams appear machine-stitched and generally even, but detailed stitch quality is not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: listing graphic identifies the material as PU leather and the bag has a contemporary structured satchel design.",
                    "photo 3: the zipper pull visibly carries a non-Coach wordmark, and the bag has shiny gold-tone hardware and a modern detachable shoulder strap.",
                    "photo 3: the exterior has a small rectangular brand plaque\/wordmark rather than a vintage Coach creed, Coach wordmark, or recognizable Coach hardware.",
                    "photos 1-5: promotional images marked NEW show a lightweight, multi-compartment commercial fashion bag rather than a vintage glove-tanned leather Coach classic.",
                    "listing text: seller states PU leather, brand new, lightweight, and four compartments\/seven pockets; these are modern synthetic-bag cues."
                ],
                "missing_information": [
                    "photo 3: the small exterior brand plaque is too small to transcribe clearly.",
                    "photo 1 or 2: no interior creed patch or fabric brand tag is shown.",
                    "photo 3: zipper and hardware close-ups are promotional rather than detailed authentication views.",
                    "photo 2: bottom, corners, interior lining, and full strap construction are not shown in ordinary product photographs."
                ],
                "authenticity_concerns": [
                    "photos 1-5: PU material is inconsistent with the glove-tanned leather construction of the vintage Coach classics being considered.",
                    "photos 1-5: the modern promotional\/catalog presentation and contemporary multi-pocket satchel design do not provide Coach identifiers and are consistent with an unbranded or other-brand fashion bag.",
                    "photo 3: the visible zipper pull appears to have a non-Coach brand marking; it is not a Coach vintage zipper pull."
                ],
                "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 3: shiny gold-tone rings, clips, zipper hardware, top handles, and round metal feet are visible; no vintage Coach turnlock is shown.",
                    "leather_description": "photos 2-5: black synthetic-looking, smooth\/wrinkled PU material; listing explicitly states PU leather.",
                    "lining_description": "photos 1-2: dark satin-like interior is visible in promotional open-bag graphics; exact lining material is not verifiable.",
                    "strap_construction": "photos 2-3: two fixed top handles and a detachable adjustable shoulder strap with metal clips are visible.",
                    "stitching_description": "photos 2-5: exterior seams appear machine-stitched and generally even, but detailed stitch quality is not available."
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern generic structured satchel, not a specific vintage Coach catalog model; no Coach model is supported.",
                    "Condition: seller states brand new and promotional images show unused merchandise, but ordinary corner, bottom, and interior condition cannot be independently assessed.",
                    "The bag's advertised PU construction and contemporary compartments place it in the modern non-Coach category."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No photos of actual single sale bag - all images are catalog\/marketing composites",
                    "No creed patch or interior brand stamp shown"
                ],
                "negative_evidence": [
                    "photo 1-3: seller states PU leather, synthetic grain and waterproof claim inconsistent with vintage Coach glove-tanned leather",
                    "photo 2-3: gold-tone script wordmark on front is not COACH wordmark or horse-and-carriage",
                    "photo 1: brown fabric lining with multiple compartments\/pockets, not unlined suede-back glove-tanned classic interior",
                    "photo 2-3: bright gold-tone plated hardware, lobster-clasp detachable strap and base feet on modern structured satchel, no solid brass turnlock",
                    "seller text states Brand new, Lightweight Build, PU leather, convertible straps - modern fast-fashion attributes",
                    "photo 1-5: NEW banner and infographic stock images, no vintage wear, patina or creed patch visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone satin-finished hardware, top-handle rings, side lobster clasps, zipper pulls and base feet; plated and lightweight appearance, not solid vintage brass",
                    "leather_description": "black\/brown\/grey smooth PU synthetic with uniform grain, waterproof claim in photo 3; not glove-tanned cowhide",
                    "lining_description": "photo 1: dark brown fabric lining in multi-compartment interior",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching, not_visible in close detail",
                    "strap_construction": "dual rolled top handles plus detachable adjustable shoulder\/crossbody strap on lobster clips (photo 2-3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: structured dome satchel with zip top and front zip pocket does not match any vintage Coach catalog style",
                    "Materials and construction (PU, fabric lining, plated hardware, lightweight claim, new condition) place in modern non-Coach fast-fashion segment",
                    "No creed, no COACH wordmark, no turnlock, no hangtag observed in any photo",
                    "Condition: New as stated by seller; catalog images only"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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}