Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.855,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is a plain pink minimalist shoulder bag with an oversized bow-style strap and no visible Coach wordmark, carriage, hangtag, or creed.",
        "photo 1: Surface appears smooth synthetic vinyl or faux leather, consistent with the seller's title rather than vintage glove-tanned leather.",
        "photo 2: Construction is a simple unbranded tote\/hobo silhouette with no visible Coach-specific hardware or identifiers.",
        "photo 1 and photo 2: Product-style images show no vintage construction details, interior, or manufacturing markings.",
        "photo 1, photo 2: smooth synthetic pink vinyl material, not glove-tanned leather",
        "photo 1, photo 2: no turnlock, no brass hardware, no hangtag, no wordmark visible",
        "photo 1, photo 2: oversized bow-knotted ribbon strap silhouette with no Coach catalog match",
        "photo 1, photo 2: minimalist unlined tote construction with no creed patch visible"
    ],
    "missing_information": [
        "Interior view, including any labels or creed patch.",
        "Close-up photographs of all hardware, zipper pulls, and seams.",
        "Bottom, side, and strap-attachment views.",
        "Any material or care label and country-of-origin marking.",
        "Seller-stated dimensions and confirmation of whether the material is vinyl, PU, or leather.",
        "photo of interior emptied and lining not shown",
        "creed patch \/ interior stamp close-up not shown",
        "hardware \/ zipper \/ closure detail not shown",
        "bottom, side and scale \/ dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 2: The synthetic-looking material, bow strap, and generic minimalist construction are inconsistent with the usual vintage Coach leather handbag population.",
        "photo 1 and photo 2: No Coach identifier is visible; the bag is best treated as a generic modern unbranded bag, not a Coach lookalike with meaningful Coach evidence."
    ],
    "possible_model_reasoning": [
        "The silhouette does not closely match a documented vintage Coach model and lacks the turnlock, brass hardware, glove-tanned leather, or identifiers expected for classic Coach styles.",
        "Condition cannot be reliably graded from clean product images; visible bag appears unused, but interior, bottom, odor, and material condition are unknown.",
        "photo 1 and photo 2 show modern minimalist vinyl tote with bow strap; no Coach silhouette, closure, leather, hardware or identifier matches any catalog style",
        "material is seller-described vinyl, which per procedure caps coach_probability at 0.05 without a Coach identifier, none seen",
        "Condition: Like New \/ Mint appearance in studio photos, but interior, bottom and strap wear not shown so grade capped"
    ],
    "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": "No visible metal hardware, turnlock, zipper pull, or hangtag; wide sewn bow-style strap is visible in photos 1 and 2.",
        "leather_description": "Smooth pink synthetic-looking material; seller title identifies it as vinyl. Genuine leather cannot be confirmed from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "Wide matching shoulder strap with an oversized tied bow at the top; sewn construction visible in photos 1 and 2.",
        "stitching_description": "Straight perimeter stitching is visible along the strap and bag edges in photos 1 and 2; no detailed stress-point inspection is possible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "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": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is a plain pink minimalist shoulder bag with an oversized bow-style strap and no visible Coach wordmark, carriage, hangtag, or creed.",
                    "photo 1: Surface appears smooth synthetic vinyl or faux leather, consistent with the seller's title rather than vintage glove-tanned leather.",
                    "photo 2: Construction is a simple unbranded tote\/hobo silhouette with no visible Coach-specific hardware or identifiers.",
                    "photo 1 and photo 2: Product-style images show no vintage construction details, interior, or manufacturing markings."
                ],
                "missing_information": [
                    "Interior view, including any labels or creed patch.",
                    "Close-up photographs of all hardware, zipper pulls, and seams.",
                    "Bottom, side, and strap-attachment views.",
                    "Any material or care label and country-of-origin marking.",
                    "Seller-stated dimensions and confirmation of whether the material is vinyl, PU, or leather."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 2: The synthetic-looking material, bow strap, and generic minimalist construction are inconsistent with the usual vintage Coach leather handbag population.",
                    "photo 1 and photo 2: No Coach identifier is visible; the bag is best treated as a generic modern unbranded bag, not a Coach lookalike with meaningful Coach evidence."
                ],
                "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": "No visible metal hardware, turnlock, zipper pull, or hangtag; wide sewn bow-style strap is visible in photos 1 and 2.",
                    "leather_description": "Smooth pink synthetic-looking material; seller title identifies it as vinyl. Genuine leather cannot be confirmed from these photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Wide matching shoulder strap with an oversized tied bow at the top; sewn construction visible in photos 1 and 2.",
                    "stitching_description": "Straight perimeter stitching is visible along the strap and bag edges in photos 1 and 2; no detailed stress-point inspection is possible."
                },
                "possible_model_reasoning": [
                    "The silhouette does not closely match a documented vintage Coach model and lacks the turnlock, brass hardware, glove-tanned leather, or identifiers expected for classic Coach styles.",
                    "Condition cannot be reliably graded from clean product images; visible bag appears unused, but interior, bottom, odor, and material condition are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied and lining not shown",
                    "creed patch \/ interior stamp close-up not shown",
                    "hardware \/ zipper \/ closure detail not shown",
                    "bottom, side and scale \/ dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: smooth synthetic pink vinyl material, not glove-tanned leather",
                    "photo 1, photo 2: no turnlock, no brass hardware, no hangtag, no wordmark visible",
                    "photo 1, photo 2: oversized bow-knotted ribbon strap silhouette with no Coach catalog match",
                    "photo 1, photo 2: minimalist unlined tote construction with no creed patch visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible in photo 1 or photo 2",
                    "leather_description": "smooth matte pink synthetic vinyl, not glove-tanned cowhide; uniform coated appearance in photo 1 and photo 2",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - minimal edge stitching only, no detail visible",
                    "strap_construction": "wide flat vinyl ribbon straps knotted into oversized bow at shoulder in photo 1 and photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 and photo 2 show modern minimalist vinyl tote with bow strap; no Coach silhouette, closure, leather, hardware or identifier matches any catalog style",
                    "material is seller-described vinyl, which per procedure caps coach_probability at 0.05 without a Coach identifier, none seen",
                    "Condition: Like New \/ Mint appearance in studio photos, but interior, bottom and strap wear not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 685,
            "total_tokens": 18172,
            "estimated_cost_usd": 0.008639
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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            "total_tokens": 19065,
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}