Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.835,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.9,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shows a handbag silhouette with a small top handle and crescent-shaped body"
    ],
    "negative_evidence": [
        "photo 1: seller title explicitly describes PU leather, which is inconsistent with classic vintage Coach glove-tanned leather",
        "photo 1: highly decorative ribbed gold exterior and knotted handle do not match recognizable vintage Coach construction or catalog silhouettes",
        "photo 2: visible interior appears black synthetic fabric with a zipper opening, not the typical unlined suede-back interior of many classic Coach bags",
        "photos 1-6: no visible COACH wordmark, creed, horse-and-carriage, serial\/style number, or hangtag",
        "photos 1-6: images appear like clean product\/catalog photography for a new fashion accessory rather than evidence of a vintage secondhand Coach bag",
        "photo 1-5: metallic gold coiled noodle\/tubular construction, never used by Coach vintage or modern",
        "title states PU Leather: faux\/PU material, coach_probability <=0.05 per skill",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1-5: no solid brass turnlock, buckles, or dogleash clips",
        "photo 2: black synthetic fabric lining at top opening, not unlined glove-tanned suede"
    ],
    "missing_information": [
        "photo 2: interior creed patch or fabric brand tag is not shown close enough to read",
        "photos 1-6: no close-up of zipper pull, lining label, or any branding",
        "photos 1-6: seller-provided stock-style images do not show packaging, measurements, or underside construction",
        "photo 2: interior only partially visible, no creed patch or fabric tags shown",
        "photo 1-5: no hangtag, wordmark, or hardware stamps visible to test"
    ],
    "authenticity_concerns": [
        "photos 1-6: PU construction and ornate gold noodle\/ribbed design are inconsistent with the leather, hardware, and silhouettes associated with vintage Coach",
        "photos 1-6: absence of any Coach identifier provides no support for Coach manufacture",
        "photo 1-5: coiled tubular PU construction and metallic gold finish have no counterpart in Coach catalog or materials"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the crescent noodle-bag shape and sculptural ribbed PU exterior are generic modern fashion-bag features, not a listed vintage Coach silhouette.",
        "Condition appears New based on clean catalog-style photos and the seller's 'Brand New' title, although actual condition cannot be independently verified from stock imagery.",
        "No Coach model fits: knotted crescent noodle silhouette, PU tubes, and zip-top with integrated handles match modern fast-fashion novelty bag, not any Classic, Cashin, or modern Coach line",
        "Era reasoning: PU synthetic + fashion silhouette + Brand New listing = modern (2000s+) non-Coach",
        "Condition: appears New\/NWOT in photos 1-5 with clean tubes and lining, but graded as generic new fashion bag not vintage 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: gold-colored ribbed decorative exterior and top handle; no Coach-style turnlock or identifiable hardware stamp is visible",
        "leather_description": "photos 1-6: seller states PU leather; visible surface is smooth, highly uniform, and synthetic-looking rather than natural glove-tanned leather",
        "lining_description": "photo 2: black fabric-like interior is visible through the zippered opening; exact material and branding are not visible",
        "strap_construction": "photos 1-6: short integrated decorative top handle formed from multiple ribbed gold-colored strands; no detachable or adjustable shoulder strap is visible",
        "stitching_description": "photos 1-6: stitching and seam construction are largely obscured by the ribbed exterior; not sufficient to assess Coach construction"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shows a handbag silhouette with a small top handle and crescent-shaped body"
                ],
                "negative_evidence": [
                    "photo 1: seller title explicitly describes PU leather, which is inconsistent with classic vintage Coach glove-tanned leather",
                    "photo 1: highly decorative ribbed gold exterior and knotted handle do not match recognizable vintage Coach construction or catalog silhouettes",
                    "photo 2: visible interior appears black synthetic fabric with a zipper opening, not the typical unlined suede-back interior of many classic Coach bags",
                    "photos 1-6: no visible COACH wordmark, creed, horse-and-carriage, serial\/style number, or hangtag",
                    "photos 1-6: images appear like clean product\/catalog photography for a new fashion accessory rather than evidence of a vintage secondhand Coach bag"
                ],
                "missing_information": [
                    "photo 2: interior creed patch or fabric brand tag is not shown close enough to read",
                    "photos 1-6: no close-up of zipper pull, lining label, or any branding",
                    "photos 1-6: seller-provided stock-style images do not show packaging, measurements, or underside construction"
                ],
                "authenticity_concerns": [
                    "photos 1-6: PU construction and ornate gold noodle\/ribbed design are inconsistent with the leather, hardware, and silhouettes associated with vintage Coach",
                    "photos 1-6: absence of any Coach identifier provides no support for Coach manufacture"
                ],
                "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: gold-colored ribbed decorative exterior and top handle; no Coach-style turnlock or identifiable hardware stamp is visible",
                    "leather_description": "photos 1-6: seller states PU leather; visible surface is smooth, highly uniform, and synthetic-looking rather than natural glove-tanned leather",
                    "lining_description": "photo 2: black fabric-like interior is visible through the zippered opening; exact material and branding are not visible",
                    "strap_construction": "photos 1-6: short integrated decorative top handle formed from multiple ribbed gold-colored strands; no detachable or adjustable shoulder strap is visible",
                    "stitching_description": "photos 1-6: stitching and seam construction are largely obscured by the ribbed exterior; not sufficient to assess Coach construction"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the crescent noodle-bag shape and sculptural ribbed PU exterior are generic modern fashion-bag features, not a listed vintage Coach silhouette.",
                    "Condition appears New based on clean catalog-style photos and the seller's 'Brand New' title, although actual condition cannot be independently verified from stock imagery."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: coiled tubular PU construction and metallic gold finish have no counterpart in Coach catalog or materials"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 2: interior only partially visible, no creed patch or fabric tags shown",
                    "photo 1-5: no hangtag, wordmark, or hardware stamps visible to test"
                ],
                "negative_evidence": [
                    "photo 1-5: metallic gold coiled noodle\/tubular construction, never used by Coach vintage or modern",
                    "title states PU Leather: faux\/PU material, coach_probability <=0.05 per skill",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1-5: no solid brass turnlock, buckles, or dogleash clips",
                    "photo 2: black synthetic fabric lining at top opening, not unlined glove-tanned suede"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass Coach-type hardware visible; gold-tone zipper teeth at top opening in photo 2, otherwise tubular body forms handles",
                    "leather_description": "metallic gold tubular PU faux leather per title; shiny coated synthetic tubes, not glove-tanned cowhide",
                    "lining_description": "black fabric lining visible inside top opening in photo 2",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - no conventional stitched seams visible; coiled tubes joined at knots",
                    "strap_construction": "integrated top handles formed from same coiled tubes with wrapped knots at sides, no detachable or buckle-adjustable strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: knotted crescent noodle silhouette, PU tubes, and zip-top with integrated handles match modern fast-fashion novelty bag, not any Classic, Cashin, or modern Coach line",
                    "Era reasoning: PU synthetic + fashion silhouette + Brand New listing = modern (2000s+) non-Coach",
                    "Condition: appears New\/NWOT in photos 1-5 with clean tubes and lining, but graded as generic new fashion bag not vintage Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 783,
            "total_tokens": 24197,
            "estimated_cost_usd": 0.011245
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24301,
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}