Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.9,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Product image shows a contemporary structured satchel with a large decorative rectangular handle and no visible Coach branding.",
        "photo 2: The bag uses a shiny, uniform coated finish and a decorative front tab rather than a recognizable vintage Coach turnlock.",
        "photo 3: The visible strap is a metal chain with a PU-leather section, not a typical vintage Coach adjustable leather strap or detachable dogleash-clip strap.",
        "photo 4: The product proportions, modern construction, and phone-based stock photography are inconsistent with a documented vintage Coach classic.",
        "Listing text: seller explicitly states thick patent PU leather and polyester lining, both strongly inconsistent with vintage Coach glove-tanned leather construction.",
        "photo 2: shiny patent PU finish with high gloss, not matte glove-tanned cowhide",
        "photo 2, photo 3: silver-tone thin chain crossbody strap, not solid brass dogleash \/ buckle-adjustable leather strap",
        "photo 2: cut-out top-handle flap with magnetic snap closure, no turnlock present",
        "photo 1-5: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "seller states thick patent PU leather, soft polyester lining, brand new - PU \/ polyester construction excludes vintage Coach"
    ],
    "missing_information": [
        "photo 2: No genuine interior photograph showing a creed patch, fabric label, lining, or serial\/style tag.",
        "photo 1: No close-up of any brand stamp, zipper pull, hardware engraving, or country-of-origin mark.",
        "photo 2: No seller-taken condition photos; the supplied images appear to be stock\/product images.",
        "photo 3: No clear view of the underside, seams, zipper, or strap attachments.",
        "photo 1-5: no interior \/ creed patch view shown - request emptied interior back wall and pockets",
        "photo 1-5: no hangtag, wordmark, or creed close-up shown",
        "photo 1-5: no hardware engraving \/ zipper brand shown"
    ],
    "authenticity_concerns": [
        "Listing materials identify patent PU leather and polyester lining, which are lookalike\/non-Coach construction cues.",
        "The bag has no visible creed, serial\/style number, Coach wordmark, horse-and-carriage mark, or Coach hangtag in any supplied photo.",
        "The glossy coated surface, decorative handle, chain strap, and magnetic\/zipper closure are inconsistent with the solid-brass, glove-tanned construction expected of classic vintage Coach."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported: the silhouette is a generic modern satchel and lacks a Coach identifier.",
        "Listing-stated dimensions of approximately 11.4 \u00d7 2.6 \u00d7 7.1 inches describe a contemporary fashion satchel, not enough to match a Coach catalog style.",
        "Condition: listed as brand new, but condition cannot be independently verified because all supplied images appear to be product\/stock photography.",
        "No Coach identifier visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
        "Construction contradicts Coach classics: patent PU, polyester lining per seller, chain strap, magnetic snap vs unlined glove-tanned + solid brass turnlock",
        "Silhouette (cut-out handle flap clutch\/satchel 11.4x7.1x2.6 in) matches no catalog Classic style (City, Willis, Court, Station, Dinky, etc.)",
        "Condition: New per seller and stock-style graphics; modern fast-fashion, non-Coach"
    ],
    "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 2: Metal chain strap is visible; front closure appears to be a decorative tab with a concealed or magnetic closure. No vintage Coach-style turnlock or branded hardware is visible.",
        "leather_description": "photo 1: Smooth, glossy brown coated material; listing states patent PU leather. This is not visibly natural glove-tanned cowhide.",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: Detachable-looking metal chain strap with a PU\/leather stripe section; construction is modern and not a classic Coach leather crossbody strap.",
        "stitching_description": "photo 3: Contrast edging and machine-like perimeter stitching are visible in product images; close-up quality is insufficient to assess stitch consistency fully."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "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": 0.72,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Product image shows a contemporary structured satchel with a large decorative rectangular handle and no visible Coach branding.",
                    "photo 2: The bag uses a shiny, uniform coated finish and a decorative front tab rather than a recognizable vintage Coach turnlock.",
                    "photo 3: The visible strap is a metal chain with a PU-leather section, not a typical vintage Coach adjustable leather strap or detachable dogleash-clip strap.",
                    "photo 4: The product proportions, modern construction, and phone-based stock photography are inconsistent with a documented vintage Coach classic.",
                    "Listing text: seller explicitly states thick patent PU leather and polyester lining, both strongly inconsistent with vintage Coach glove-tanned leather construction."
                ],
                "missing_information": [
                    "photo 2: No genuine interior photograph showing a creed patch, fabric label, lining, or serial\/style tag.",
                    "photo 1: No close-up of any brand stamp, zipper pull, hardware engraving, or country-of-origin mark.",
                    "photo 2: No seller-taken condition photos; the supplied images appear to be stock\/product images.",
                    "photo 3: No clear view of the underside, seams, zipper, or strap attachments."
                ],
                "authenticity_concerns": [
                    "Listing materials identify patent PU leather and polyester lining, which are lookalike\/non-Coach construction cues.",
                    "The bag has no visible creed, serial\/style number, Coach wordmark, horse-and-carriage mark, or Coach hangtag in any supplied photo.",
                    "The glossy coated surface, decorative handle, chain strap, and magnetic\/zipper closure are inconsistent with the solid-brass, glove-tanned construction expected of classic vintage Coach."
                ],
                "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 2: Metal chain strap is visible; front closure appears to be a decorative tab with a concealed or magnetic closure. No vintage Coach-style turnlock or branded hardware is visible.",
                    "leather_description": "photo 1: Smooth, glossy brown coated material; listing states patent PU leather. This is not visibly natural glove-tanned cowhide.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: Detachable-looking metal chain strap with a PU\/leather stripe section; construction is modern and not a classic Coach leather crossbody strap.",
                    "stitching_description": "photo 3: Contrast edging and machine-like perimeter stitching are visible in product images; close-up quality is insufficient to assess stitch consistency fully."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported: the silhouette is a generic modern satchel and lacks a Coach identifier.",
                    "Listing-stated dimensions of approximately 11.4 \u00d7 2.6 \u00d7 7.1 inches describe a contemporary fashion satchel, not enough to match a Coach catalog style.",
                    "Condition: listed as brand new, but condition cannot be independently verified because all supplied images appear to be product\/stock photography."
                ],
                "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": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-5: no interior \/ creed patch view shown - request emptied interior back wall and pockets",
                    "photo 1-5: no hangtag, wordmark, or creed close-up shown",
                    "photo 1-5: no hardware engraving \/ zipper brand shown"
                ],
                "negative_evidence": [
                    "photo 2: shiny patent PU finish with high gloss, not matte glove-tanned cowhide",
                    "photo 2, photo 3: silver-tone thin chain crossbody strap, not solid brass dogleash \/ buckle-adjustable leather strap",
                    "photo 2: cut-out top-handle flap with magnetic snap closure, no turnlock present",
                    "photo 1-5: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "seller states thick patent PU leather, soft polyester lining, brand new - PU \/ polyester construction excludes vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone thin metal chain strap with small lobster clips; magnetic snap under flap; no solid brass turnlock visible",
                    "leather_description": "shiny patent-coated PU faux leather in tan\/brown with burnished-look edges, high gloss",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast topstitching around handles, flap and trim, even machine stitching",
                    "strap_construction": "integrated cut-out top handles plus detachable silver-tone chain shoulder strap with PU shoulder pad",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
                    "Construction contradicts Coach classics: patent PU, polyester lining per seller, chain strap, magnetic snap vs unlined glove-tanned + solid brass turnlock",
                    "Silhouette (cut-out handle flap clutch\/satchel 11.4x7.1x2.6 in) matches no catalog Classic style (City, Willis, Court, Station, Dinky, etc.)",
                    "Condition: New per seller and stock-style graphics; modern fast-fashion, non-Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}