Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.05,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.5,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.59,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small structured shoulder handbag with a flap and gold-tone turning clasp.",
        "photo 1: Burgundy leather-like exterior and a rounded shoulder handle are superficially compatible with some Coach silhouettes, but this is not identifying evidence."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, hangtag, or serial\/style number.",
        "photo 1: The clasp appears rectangular and highly polished rather than the characteristic elegant vintage Coach turnlock geometry.",
        "photo 1: The smooth glossy finish and compact fashion silhouette are more consistent with a modern generic shoulder bag than a vintage glove-tanned Coach classic.",
        "photo 1: Seller labels the item unbranded; this is weak context only and does not establish manufacture.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: small structured flap bag with gold-tone rectangular push-lock clasp, not vintage Coach turnlock geometry",
        "photo 1: smooth high-sheen coated-looking leather with thin rolled fixed top handle, unlike thick matte glove-tanned leather with brass dogleash\/buckle straps",
        "photo 1: modern fast-fashion silhouette and styling with no unlined suede, solid brass, or catalog classic cues"
    ],
    "missing_information": [
        "Interior view, including any leather creed patch or fabric label.",
        "Close-up of the clasp, handle attachments, edges, and any zipper or hardware markings.",
        "Back, bottom, side, and strap\/handle construction views.",
        "Material confirmation; the single photo cannot establish whether the exterior is genuine leather, coated material, or synthetic.",
        "photo 1 only: no interior, bottom, side, back, creed, or hardware close-up views",
        "creed patch not shown - request straight-on interior back wall\/pocket photo",
        "lining material and construction not visible",
        "hardware engravings and strap attachments not visible",
        "seller-stated dimensions, materials, and scale cue missing"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifiers are visible, so the bag cannot be tied to Coach manufacture.",
        "photo 1: The visible clasp and glossy construction are generic and may represent a Coach-style lookalike rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "photo 1: The flap, single handle, and rectangular clasp do not provide a reliable match to a specific Coach catalog model.",
        "No visible identifier or distinctive Coach construction supports naming a Coach model.",
        "Condition appears approximately Very Good from the visible exterior: light surface handling or creasing may be present, with no obvious major damage; interior, corners, and hardware function are unverified.",
        "photo 1 silhouette is a small modern flap shoulder bag with no match to vintage Coach catalog styles (Willis, Court, Station, Dinky, City Bag) in proportions, closure, or strap",
        "no Coach identifier visible to decode for era; construction cues point to modern non-Coach manufacture",
        "Condition: appears Like New in single staged photo but cannot grade - no bottom\/corner, interior, or strap-fold views, so lining unknown and 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": "photo 1: Small polished gold-tone rectangular turning clasp on the flap; no engraving is legible.",
        "leather_description": "photo 1: Smooth glossy burgundy leather-like material; genuine leather cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Single rounded fixed shoulder handle, apparently attached at the upper sides; attachment construction is partly obscured.",
        "stitching_description": "photo 1: Visible perimeter stitching appears neat and machine-made, but detail is insufficient for a construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.55,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small structured shoulder handbag with a flap and gold-tone turning clasp.",
                    "photo 1: Burgundy leather-like exterior and a rounded shoulder handle are superficially compatible with some Coach silhouettes, but this is not identifying evidence."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, hangtag, or serial\/style number.",
                    "photo 1: The clasp appears rectangular and highly polished rather than the characteristic elegant vintage Coach turnlock geometry.",
                    "photo 1: The smooth glossy finish and compact fashion silhouette are more consistent with a modern generic shoulder bag than a vintage glove-tanned Coach classic.",
                    "photo 1: Seller labels the item unbranded; this is weak context only and does not establish manufacture."
                ],
                "missing_information": [
                    "Interior view, including any leather creed patch or fabric label.",
                    "Close-up of the clasp, handle attachments, edges, and any zipper or hardware markings.",
                    "Back, bottom, side, and strap\/handle construction views.",
                    "Material confirmation; the single photo cannot establish whether the exterior is genuine leather, coated material, or synthetic."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifiers are visible, so the bag cannot be tied to Coach manufacture.",
                    "photo 1: The visible clasp and glossy construction are generic and may represent a Coach-style lookalike rather than a Coach product."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Small polished gold-tone rectangular turning clasp on the flap; no engraving is legible.",
                    "leather_description": "photo 1: Smooth glossy burgundy leather-like material; genuine leather cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Single rounded fixed shoulder handle, apparently attached at the upper sides; attachment construction is partly obscured.",
                    "stitching_description": "photo 1: Visible perimeter stitching appears neat and machine-made, but detail is insufficient for a construction assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: The flap, single handle, and rectangular clasp do not provide a reliable match to a specific Coach catalog model.",
                    "No visible identifier or distinctive Coach construction supports naming a Coach model.",
                    "Condition appears approximately Very Good from the visible exterior: light surface handling or creasing may be present, with no obvious major damage; interior, corners, and hardware function are unverified."
                ],
                "confidence": 0.48,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, bottom, side, back, creed, or hardware close-up views",
                    "creed patch not shown - request straight-on interior back wall\/pocket photo",
                    "lining material and construction not visible",
                    "hardware engravings and strap attachments not visible",
                    "seller-stated dimensions, materials, and scale cue missing"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: small structured flap bag with gold-tone rectangular push-lock clasp, not vintage Coach turnlock geometry",
                    "photo 1: smooth high-sheen coated-looking leather with thin rolled fixed top handle, unlike thick matte glove-tanned leather with brass dogleash\/buckle straps",
                    "photo 1: modern fast-fashion silhouette and styling with no unlined suede, solid brass, or catalog classic cues"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gold-tone rectangular flap clasp, front only; no back plate, engraving, or brass tone verifiable",
                    "leather_description": "photo 1: smooth dark reddish-brown leather with high-sheen coated appearance; no glove-tanned grain, patina, or suede back visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: edge stitching visible along flap perimeter but detail limited by resolution; no stress-point detail visible",
                    "strap_construction": "photo 1: thin fixed rolled top handle in matching material; no buckle adjustment, dogleash clips, or dowel handle visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a small modern flap shoulder bag with no match to vintage Coach catalog styles (Willis, Court, Station, Dinky, City Bag) in proportions, closure, or strap",
                    "no Coach identifier visible to decode for era; construction cues point to modern non-Coach manufacture",
                    "Condition: appears Like New in single staged photo but cannot grade - no bottom\/corner, interior, or strap-fold views, so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 729,
            "total_tokens": 16014,
            "estimated_cost_usd": 0.007864
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}