Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.685,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a shoulder strap and top zipper.",
        "photo 1: Burgundy color and simple silhouette could superficially resemble some Coach shoulder bags."
    ],
    "negative_evidence": [
        "photo 1: Smooth, highly glossy surface appears synthetic or coated rather than vintage glove-tanned leather.",
        "photo 1: Modern minimalist hobo construction, silver-tone zipper, and absence of visible Coach branding do not match a recognizable vintage Coach classic.",
        "photo 1: No creed patch, wordmark, hangtag, or horse-and-carriage identifier is visible.",
        "photo 1: no turnlock, no brass hardware - silver-tone zipper only, inconsistent with 1970s-1990s Coach classics",
        "photo 1: smooth high-gloss uniform leather\/faux finish, not matte glove-tanned cowhide with natural grain",
        "photo 1: minimalist zip-top mini hobo silhouette with thin fixed shoulder strap, does not match any vintage Coach catalog style",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "Interior view, including any brand label, creed patch, and fabric tag.",
        "Close-up of zipper pull and strap hardware.",
        "Bottom, side, and back views.",
        "Seller-stated material and dimensions.",
        "photo 1 only front view: no interior, creed patch, bottom, back, side, or hardware close-up views",
        "lining material and color not shown",
        "zipper brand stamp and hardware engravings not legible",
        "leather vs synthetic material cannot be confirmed from single photo"
    ],
    "authenticity_concerns": [
        "photo 1: The glossy material and modern construction are more consistent with a generic contemporary bag than a vintage Coach bag; no Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "photo 1: The unbranded zip-top hobo silhouette does not closely establish a Coach catalog model; no Coach model is proposed.",
        "photo 1: Condition appears Like New or Excellent from the visible exterior, with no obvious scuffs or corner wear; interior and odor are unknown.",
        "photo 1 shape is modern zip hobo\/mini shoulder bag, not Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classic flap-turnlock style",
        "no brass, no unlined glove-tanned leather, no creed identifier to support any Coach model",
        "Condition: appears Like New to Excellent from front only - clean surface, no corner wear visible - but capped because bottom, interior, strap fold and back not shown"
    ],
    "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: Silver-tone zipper teeth and a small silver-tone strap connector are visible; no turnlock or branded hardware is visible.",
        "leather_description": "photo 1: Burgundy smooth, very glossy material; exact material cannot be confirmed from one photo and it may be synthetic or coated.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Single narrow shoulder strap attached at the sides with visible stitched tabs and a small metal connector on the right.",
        "stitching_description": "photo 1: Visible perimeter and strap-tab stitching appears relatively even; details are limited by the single front view."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a shoulder strap and top zipper.",
                    "photo 1: Burgundy color and simple silhouette could superficially resemble some Coach shoulder bags."
                ],
                "negative_evidence": [
                    "photo 1: Smooth, highly glossy surface appears synthetic or coated rather than vintage glove-tanned leather.",
                    "photo 1: Modern minimalist hobo construction, silver-tone zipper, and absence of visible Coach branding do not match a recognizable vintage Coach classic.",
                    "photo 1: No creed patch, wordmark, hangtag, or horse-and-carriage identifier is visible."
                ],
                "missing_information": [
                    "Interior view, including any brand label, creed patch, and fabric tag.",
                    "Close-up of zipper pull and strap hardware.",
                    "Bottom, side, and back views.",
                    "Seller-stated material and dimensions."
                ],
                "authenticity_concerns": [
                    "photo 1: The glossy material and modern construction are more consistent with a generic contemporary bag than a vintage Coach bag; no Coach identifier is visible."
                ],
                "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: Silver-tone zipper teeth and a small silver-tone strap connector are visible; no turnlock or branded hardware is visible.",
                    "leather_description": "photo 1: Burgundy smooth, very glossy material; exact material cannot be confirmed from one photo and it may be synthetic or coated.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Single narrow shoulder strap attached at the sides with visible stitched tabs and a small metal connector on the right.",
                    "stitching_description": "photo 1: Visible perimeter and strap-tab stitching appears relatively even; details are limited by the single front view."
                },
                "possible_model_reasoning": [
                    "photo 1: The unbranded zip-top hobo silhouette does not closely establish a Coach catalog model; no Coach model is proposed.",
                    "photo 1: Condition appears Like New or Excellent from the visible exterior, with no obvious scuffs or corner wear; interior and odor are unknown."
                ],
                "confidence": 0.59,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1 only front view: no interior, creed patch, bottom, back, side, or hardware close-up views",
                    "lining material and color not shown",
                    "zipper brand stamp and hardware engravings not legible",
                    "leather vs synthetic material cannot be confirmed from single photo"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock, no brass hardware - silver-tone zipper only, inconsistent with 1970s-1990s Coach classics",
                    "photo 1: smooth high-gloss uniform leather\/faux finish, not matte glove-tanned cowhide with natural grain",
                    "photo 1: minimalist zip-top mini hobo silhouette with thin fixed shoulder strap, does not match any vintage Coach catalog style",
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zip top with small leather pull; small rectangular slide on strap; no turnlock, no brass, no engravings legible",
                    "leather_description": "smooth burgundy\/oxblood material with high-gloss uniform surface, no visible grain, scars or patina; suggests modern coated or synthetic leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "fine even edge stitching around top opening, tone-matched; no other stitching detail visible",
                    "strap_construction": "single short thin shoulder strap, appears fixed with small metal adjuster, no buckle, dogleash clips or dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 shape is modern zip hobo\/mini shoulder bag, not Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classic flap-turnlock style",
                    "no brass, no unlined glove-tanned leather, no creed identifier to support any Coach model",
                    "Condition: appears Like New to Excellent from front only - clean surface, no corner wear visible - but capped because bottom, interior, strap fold and back not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17368,
            "output_tokens": 548,
            "total_tokens": 17916,
            "estimated_cost_usd": 0.008262
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17821,
            "output_tokens": 1182,
            "total_tokens": 19003,
            "estimated_cost_usd": 0.00451
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}