Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.895,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Seller materials identify faux\/PU\/vegan leather, which is inconsistent with the glove-tanned leather population of classic vintage Coach.",
        "photo 1: The bag has a generic structured shoulder-bag silhouette and does not show a Coach wordmark, creed, serial\/style number, or horse-and-carriage logo.",
        "photo 2: The decorative gold ring-and-clip front hardware is generic and does not appear to be a Coach turnlock.",
        "photo 3: Promotional imagery describes a detachable strap and gives contemporary dimensions, supporting a modern mass-market product rather than a vintage Coach model.",
        "photo 1: The listing explicitly describes the item as designer-inspired and unbranded.",
        "seller states faux leather, PU leather, vegan - photo 1-5 show smooth synthetic surface, not glove-tanned cowhide",
        "photo 1-5: no creed patch, no COACH wordmark, no hangtag visible",
        "photo 1-4: horsebit\/piston clasp closure, not Coach turnlock geometry",
        "photo 1-3: marketing graphics with 30% OFF overlay and stock-style images indicate new fast-fashion, not vintage",
        "seller condition Brand new with 1-year guarantee, inconsistent with vintage Coach"
    ],
    "missing_information": [
        "photo 1-5: No interior view, so lining, brand label, creed patch, and zipper construction cannot be checked.",
        "photo 1-5: No close-up of the hardware, strap attachment points, or zipper pull.",
        "photo 1-5: No bottom, corner, or seam close-ups.",
        "photo set shows only marketing graphics, no interior, creed, bottom, or hardware close-up views",
        "no creed patch shown to transcribe",
        "lining material not shown"
    ],
    "authenticity_concerns": [
        "photo 1-5: The PU construction and generic decorative clasp are inconsistent with a vintage Coach leather handbag; this appears to be a Coach-inspired lookalike rather than a Coach product.",
        "photo 1-5: No Coach identifier is visible in the supplied photos.",
        "photo 1-5: smooth synthetic PU\/vegan material stated by seller is incompatible with vintage Coach glove-tanned leather",
        "photo 1-4: modern fast-fashion hobo with horsebit-style clasp, no Coach identifiers visible"
    ],
    "possible_model_reasoning": [
        "photo 1-5: The compact crescent\/structured shoulder-bag shape does not closely establish a specific Coach catalog model, and no Coach identifier supports a model match.",
        "photo 1-5: The stated brand-new condition and contemporary promotional graphics indicate a modern mass-market bag.",
        "Condition: New based on promotional\/listing imagery, but actual condition and interior cannot be independently verified.",
        "No Coach model fits: faux PU hobo with horsebit clasp and detachable strap does not match any catalog classic; no creed, no brass turnlock, no unlined glove-tanned leather",
        "Era reasoning: seller-stated new PU\/vegan construction plus modern marketing graphics = modern (2000s+), non-Coach",
        "Condition: New as stated by seller; photos show unmarked exterior, no wear visible"
    ],
    "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 1-5: Gold-tone ring-and-clip decorative front hardware and gold-tone strap fittings are visible; no Coach engraving is visible.",
        "leather_description": "photo 1-5: Smooth black and brown synthetic-looking material; seller states faux\/PU\/vegan leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-5: Adjustable shoulder strap is shown, with a detachable long strap in photo 3; exact attachment construction is not visible.",
        "stitching_description": "photo 1-5: Exterior perimeter and panel stitching appear regular and machine-made; close-up quality is insufficient to assess stitch density fully."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "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": 0.82,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Seller materials identify faux\/PU\/vegan leather, which is inconsistent with the glove-tanned leather population of classic vintage Coach.",
                    "photo 1: The bag has a generic structured shoulder-bag silhouette and does not show a Coach wordmark, creed, serial\/style number, or horse-and-carriage logo.",
                    "photo 2: The decorative gold ring-and-clip front hardware is generic and does not appear to be a Coach turnlock.",
                    "photo 3: Promotional imagery describes a detachable strap and gives contemporary dimensions, supporting a modern mass-market product rather than a vintage Coach model.",
                    "photo 1: The listing explicitly describes the item as designer-inspired and unbranded."
                ],
                "missing_information": [
                    "photo 1-5: No interior view, so lining, brand label, creed patch, and zipper construction cannot be checked.",
                    "photo 1-5: No close-up of the hardware, strap attachment points, or zipper pull.",
                    "photo 1-5: No bottom, corner, or seam close-ups."
                ],
                "authenticity_concerns": [
                    "photo 1-5: The PU construction and generic decorative clasp are inconsistent with a vintage Coach leather handbag; this appears to be a Coach-inspired lookalike rather than a Coach product.",
                    "photo 1-5: No Coach identifier is visible in the supplied photos."
                ],
                "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 1-5: Gold-tone ring-and-clip decorative front hardware and gold-tone strap fittings are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1-5: Smooth black and brown synthetic-looking material; seller states faux\/PU\/vegan leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-5: Adjustable shoulder strap is shown, with a detachable long strap in photo 3; exact attachment construction is not visible.",
                    "stitching_description": "photo 1-5: Exterior perimeter and panel stitching appear regular and machine-made; close-up quality is insufficient to assess stitch density fully."
                },
                "possible_model_reasoning": [
                    "photo 1-5: The compact crescent\/structured shoulder-bag shape does not closely establish a specific Coach catalog model, and no Coach identifier supports a model match.",
                    "photo 1-5: The stated brand-new condition and contemporary promotional graphics indicate a modern mass-market bag.",
                    "Condition: New based on promotional\/listing imagery, but actual condition and interior cannot be independently verified."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: smooth synthetic PU\/vegan material stated by seller is incompatible with vintage Coach glove-tanned leather",
                    "photo 1-4: modern fast-fashion hobo with horsebit-style clasp, no Coach identifiers visible"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo set shows only marketing graphics, no interior, creed, bottom, or hardware close-up views",
                    "no creed patch shown to transcribe",
                    "lining material not shown"
                ],
                "negative_evidence": [
                    "seller states faux leather, PU leather, vegan - photo 1-5 show smooth synthetic surface, not glove-tanned cowhide",
                    "photo 1-5: no creed patch, no COACH wordmark, no hangtag visible",
                    "photo 1-4: horsebit\/piston clasp closure, not Coach turnlock geometry",
                    "photo 1-3: marketing graphics with 30% OFF overlay and stock-style images indicate new fast-fashion, not vintage",
                    "seller condition Brand new with 1-year guarantee, inconsistent with vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone horsebit \/ piston-link clasp on front flap in photos 1-4, no turnlock, no COACH stamping visible",
                    "leather_description": "smooth black\/brown synthetic with uniform sheen in photos 1-5; seller states faux leather PU vegan, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even edge stitching on front pocket trim visible in photos 1-4, no detail to assess thread match",
                    "strap_construction": "photo 3-4: fixed top shoulder handle plus detachable thin crossbody strap, 20.5-26 inch seller-stated length",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: faux PU hobo with horsebit clasp and detachable strap does not match any catalog classic; no creed, no brass turnlock, no unlined glove-tanned leather",
                    "Era reasoning: seller-stated new PU\/vegan construction plus modern marketing graphics = modern (2000s+), non-Coach",
                    "Condition: New as stated by seller; photos show unmarked exterior, no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 825,
            "total_tokens": 18585,
            "estimated_cost_usd": 0.009084
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}