Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.815,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag appears to have a glossy, heavily embossed or synthetic-looking surface rather than recognizable vintage glove-tanned leather.",
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, serial number, or hangtag is visible.",
        "photo 1: the slouchy hobo silhouette and matching rectangular pouch are generic and do not establish a Coach model.",
        "photo 1: bright light-gold zipper hardware and the overall presentation are more consistent with a modern mass-market bag than a classic vintage Coach handbag.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock or solid brass hardware; only small gold-tone zip pull on pouch",
        "photo 1: thin crinkled faux-looking material with sheen, not vintage glove-tanned cowhide",
        "photo 1: modern slouchy unstructured hobo silhouette with narrow fixed sewn-in shoulder strap, no match in vintage Coach catalog",
        "photo 1: two-piece set with matching zip pouch, typical of modern fast-fashion listings, not a Coach format"
    ],
    "missing_information": [
        "Interior view, including any sewn-in label or creed patch.",
        "Close-up photos of all hardware, zipper pulls, strap attachments, and any hangtag.",
        "Bottom, side, and back views to assess construction and material.",
        "Seller-stated material composition and dimensions; the listing's 'leather' wording is not verifiable from the photo.",
        "photo 1 only: no interior, creed, bottom, side, or hardware close-ups to verify construction",
        "interior lining and any labels\/tags not shown",
        "material and country of manufacture not verifiable from photos"
    ],
    "authenticity_concerns": [
        "photo 1: the visible material and generic construction provide no Coach identifiers and are consistent with an unbranded modern synthetic or low-cost leather-look handbag.",
        "photo 1: the image appears promotional or catalog-like, with no interior or construction details available for brand verification."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because no Coach identifier or distinctive Coach construction is visible.",
        "The large slouchy hobo shape is generic and does not meaningfully match a specific documented vintage Coach style.",
        "Condition cannot be reliably graded from the single promotional-style photo; interior, bottom, corners, and strap stress points are not shown.",
        "photo 1 silhouette, thin faux-like material, sewn-in strap, and pouch set do not match any vintage Coach style numbers; no hard identifiers to decode",
        "Condition: appears New\/unused stock-type image on white background, but condition grading capped by single view with no corners, interior, or strap detail"
    ],
    "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: light-gold zipper hardware is visible; no other hardware details are shown.",
        "leather_description": "photo 1: black glossy, wrinkled leather-look material is visible; natural leather cannot be confirmed.",
        "lining_description": "not_visible; only small glimpse of tan interior through opening in photo 1",
        "strap_construction": "photo 1: a single long shoulder strap appears integrated into the bag sides; attachment construction is not shown closely.",
        "stitching_description": "photo 1: perimeter stitching is faintly visible in places, but detail is insufficient to assess quality or consistency."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0036,
    "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": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag appears to have a glossy, heavily embossed or synthetic-looking surface rather than recognizable vintage glove-tanned leather.",
                    "photo 1: no Coach wordmark, horse-and-carriage, creed patch, serial number, or hangtag is visible.",
                    "photo 1: the slouchy hobo silhouette and matching rectangular pouch are generic and do not establish a Coach model.",
                    "photo 1: bright light-gold zipper hardware and the overall presentation are more consistent with a modern mass-market bag than a classic vintage Coach handbag."
                ],
                "missing_information": [
                    "Interior view, including any sewn-in label or creed patch.",
                    "Close-up photos of all hardware, zipper pulls, strap attachments, and any hangtag.",
                    "Bottom, side, and back views to assess construction and material.",
                    "Seller-stated material composition and dimensions; the listing's 'leather' wording is not verifiable from the photo."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible material and generic construction provide no Coach identifiers and are consistent with an unbranded modern synthetic or low-cost leather-look handbag.",
                    "photo 1: the image appears promotional or catalog-like, with no interior or construction details available for brand verification."
                ],
                "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: light-gold zipper hardware is visible; no other hardware details are shown.",
                    "leather_description": "photo 1: black glossy, wrinkled leather-look material is visible; natural leather cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: a single long shoulder strap appears integrated into the bag sides; attachment construction is not shown closely.",
                    "stitching_description": "photo 1: perimeter stitching is faintly visible in places, but detail is insufficient to assess quality or consistency."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because no Coach identifier or distinctive Coach construction is visible.",
                    "The large slouchy hobo shape is generic and does not meaningfully match a specific documented vintage Coach style.",
                    "Condition cannot be reliably graded from the single promotional-style photo; interior, bottom, corners, and strap stress points are not shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 5,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, side, or hardware close-ups to verify construction",
                    "interior lining and any labels\/tags not shown",
                    "material and country of manufacture not verifiable from photos"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock or solid brass hardware; only small gold-tone zip pull on pouch",
                    "photo 1: thin crinkled faux-looking material with sheen, not vintage glove-tanned cowhide",
                    "photo 1: modern slouchy unstructured hobo silhouette with narrow fixed sewn-in shoulder strap, no match in vintage Coach catalog",
                    "photo 1: two-piece set with matching zip pouch, typical of modern fast-fashion listings, not a Coach format"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible except small gold-tone zipper pull on front pouch in photo 1; no brass turnlock, buckles, or clips visible",
                    "leather_description": "photo 1: black thin crinkled material with sheen and slouchy drape, appears faux\/PU, not thick matte glove-tanned cowhide",
                    "lining_description": "not_visible; only small glimpse of tan interior through opening in photo 1",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; no tight even Coach stitching observable",
                    "strap_construction": "photo 1: single narrow fixed shoulder strap gathered\/sewn directly to body, no buckle adjustment or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette, thin faux-like material, sewn-in strap, and pouch set do not match any vintage Coach style numbers; no hard identifiers to decode",
                    "Condition: appears New\/unused stock-type image on white background, but condition grading capped by single view with no corners, interior, or strap detail"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "input_tokens": 16827,
            "output_tokens": 710,
            "total_tokens": 17537,
            "estimated_cost_usd": 0.008435
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17227,
            "output_tokens": 1101,
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}