Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.815,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured handbag with a top handle and detachable-looking shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or Coach hangtag.",
        "photo 1: New presentation with a dust bag and boxes, plus seller title stating NEW, is inconsistent with the typical secondhand vintage-Coach opportunity.",
        "photo 1: The sharply structured silhouette, fine crosshatch texture, and prominent decorative gold hardware resemble a modern designer-inspired\/lookalike bag rather than a classic vintage Coach construction.",
        "photo 1: Hardware is bright gold and includes a rectangular front clasp and decorative strap attachments, not a recognizable vintage Coach turnlock.",
        "photo 1: Kelly-style silhouette with flap sangle straps and small turn-plate, not a Coach catalog shape",
        "photo 1: taupe crosshatch grain coated material with uniform texture, not vintage glove-tanned cowhide",
        "photo 1: bright gold-tone plated hardware with high shine, not solid vintage brass",
        "photo 1: new condition with orange box and white dustbag as unbranded fast-fashion listing, no creed patch visible",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "Interior and any sewn-in brand or fabric labels.",
        "Close-up of the front clasp, hardware backs, zipper pulls, and strap attachments.",
        "Bottom, side, rear, and all-corner photos.",
        "Material composition and country-of-origin markings.",
        "Seller-stated dimensions.",
        "photo 1 only: no interior, creed, bottom, side, back, hardware close-up views",
        "creed patch not shown - request straight-on interior back wall and pocket photos",
        "lining material and construction not visible",
        "hardware engravings and zipper brand not visible",
        "strap attachments and edge finish close-ups not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The bag uses a designer-inspired structured silhouette and conspicuous gold hardware without any visible Coach identifiers; it is more consistent with a generic lookalike than a Coach product.",
        "photo 1: The smooth, highly uniform exterior texture and rigid construction do not visibly support vintage glove-tanned Coach leather.",
        "photo 1: no Coach identifiers present to authenticate; Kelly-style shape with sangle hardware is not a Coach catalog silhouette"
    ],
    "possible_model_reasoning": [
        "Kelly-style mini top-handle bag is not a Coach model; no Coach silhouette, creed, wordmark, or construction match",
        "Condition: New; photo 1 shows unworn structured bag with box and dustbag, no wear visible, consistent with seller title NEW"
    ],
    "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: Bright gold-tone rectangular clasp, decorative front hardware, top-handle rings, and shoulder-strap clips are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Uniform taupe material with a fine crosshatch texture and rigid structured appearance; leather versus synthetic material cannot be confirmed from this photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: One top handle and a long matching shoulder strap are visible; strap attachment and adjustability details are only partly shown.",
        "stitching_description": "photo 1: Exterior stitching appears generally even and tonal where visible; detailed stress-point stitching is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "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": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured handbag with a top handle and detachable-looking shoulder strap."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 1: New presentation with a dust bag and boxes, plus seller title stating NEW, is inconsistent with the typical secondhand vintage-Coach opportunity.",
                    "photo 1: The sharply structured silhouette, fine crosshatch texture, and prominent decorative gold hardware resemble a modern designer-inspired\/lookalike bag rather than a classic vintage Coach construction.",
                    "photo 1: Hardware is bright gold and includes a rectangular front clasp and decorative strap attachments, not a recognizable vintage Coach turnlock."
                ],
                "missing_information": [
                    "Interior and any sewn-in brand or fabric labels.",
                    "Close-up of the front clasp, hardware backs, zipper pulls, and strap attachments.",
                    "Bottom, side, rear, and all-corner photos.",
                    "Material composition and country-of-origin markings.",
                    "Seller-stated dimensions."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag uses a designer-inspired structured silhouette and conspicuous gold hardware without any visible Coach identifiers; it is more consistent with a generic lookalike than a Coach product.",
                    "photo 1: The smooth, highly uniform exterior texture and rigid construction do not visibly support vintage glove-tanned Coach leather."
                ],
                "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: Bright gold-tone rectangular clasp, decorative front hardware, top-handle rings, and shoulder-strap clips are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Uniform taupe material with a fine crosshatch texture and rigid structured appearance; leather versus synthetic material cannot be confirmed from this photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: One top handle and a long matching shoulder strap are visible; strap attachment and adjustability details are only partly shown.",
                    "stitching_description": "photo 1: Exterior stitching appears generally even and tonal where visible; detailed stress-point stitching is not assessable."
                },
                "possible_model_reasoning": [],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers present to authenticate; Kelly-style shape with sangle hardware is not a Coach catalog silhouette"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, side, back, hardware close-up views",
                    "creed patch not shown - request straight-on interior back wall and pocket photos",
                    "lining material and construction not visible",
                    "hardware engravings and zipper brand not visible",
                    "strap attachments and edge finish close-ups not shown"
                ],
                "negative_evidence": [
                    "photo 1: Kelly-style silhouette with flap sangle straps and small turn-plate, not a Coach catalog shape",
                    "photo 1: taupe crosshatch grain coated material with uniform texture, not vintage glove-tanned cowhide",
                    "photo 1: bright gold-tone plated hardware with high shine, not solid vintage brass",
                    "photo 1: new condition with orange box and white dustbag as unbranded fast-fashion listing, no creed patch visible",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware: small rectangular turn-plate on flap and two sangle tips; top handle rings and shoulder strap clasps; shiny plated appearance, not solid brass patina",
                    "leather_description": "taupe \/ greige crosshatch-embossed material with uniform saffiano-like grain; appears coated \/ synthetic, not matte glove-tanned leather; structured and unworn",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible along flap edge, appears even but resolution insufficient for detailed assessment",
                    "strap_construction": "short rolled top handle attached with rings plus detachable longer crossbody shoulder strap with clasps",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Kelly-style mini top-handle bag is not a Coach model; no Coach silhouette, creed, wordmark, or construction match",
                    "Condition: New; photo 1 shows unworn structured bag with box and dustbag, no wear visible, consistent with seller title NEW"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15835,
            "output_tokens": 719,
            "total_tokens": 16554,
            "estimated_cost_usd": 0.00806
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16150,
            "output_tokens": 1357,
            "total_tokens": 17507,
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}