Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.015,
    "vintage_probability": 0.325,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.015,
    "confidence": 0.905,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is a heavily beaded and sequined textile evening purse, not a leather Coach handbag.",
        "photo 1: Decorative floral beadwork, dangling bead fringe, silver-tone chain, and a metal kisslock frame are visible; none is a recognizable Coach identifier.",
        "photo 3: Interior is satin-like synthetic fabric with multiple open compartments and no visible Coach creed or label.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, or classic Coach construction is visible.",
        "photo 2: Hardware is bright silver-tone and the bag has a decorative frame-and-chain design unlike the documented vintage leather Coach silhouettes.",
        "photo 1, photo 2: body is beaded \/ sequin textile with floral beadwork and beaded fringe, not glove-tanned cowhide",
        "photo 1, photo 2, photo 3: kisslock frame with twin ball clasps and thin silver-tone chain strap, no turnlock and no solid brass hardware",
        "photo 3: black satin-like synthetic lining with slip pocket, not unlined suede interior",
        "photo 1, photo 2, photo 3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: A clear, fully emptied view of every interior wall and pocket to check for a maker label.",
        "photo 2: Close-up photographs of the frame, chain attachments, and any hardware markings.",
        "photo 1: Back, bottom, and side views to document construction and condition.",
        "Seller-stated material, dimensions, country of manufacture, and any provenance would help date this non-Coach evening bag.",
        "No brand label close-up if any exists inside pocket - photo 3 interior shows no leather creed patch",
        "No back, side or bottom views but not needed given non-leather beaded construction"
    ],
    "authenticity_concerns": [
        "photo 1: No evidence supports Coach manufacture; the textile beaded construction is inconsistent with the usual vintage Coach leather handbag population.",
        "photo 3: No creed, serial\/style number, or other Coach identifier is visible; authenticity as Coach cannot be supported.",
        "photo 1, photo 2: beaded sequin textile body with beaded fringe is inconsistent with Coach vintage glove-tanned leather construction",
        "photo 1, photo 3: silver-tone kisslock frame and chain strap inconsistent with vintage Coach solid brass turnlock hardware"
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette and kisslock frame identify it as a beaded evening or novelty purse rather than a recognizable Coach model.",
        "photo 3: Satin-like lining and multiple open compartments are typical of a textile evening bag, not the unlined glove-tanned leather construction of many classic vintage Coach styles.",
        "photo 1: Condition appears Good to Very Good overall, with beadwork and fringe largely present; small areas of bead\/sequin wear or irregularity may be present, but the interior and attachments require closer inspection.",
        "Not a Coach silhouette or construction - beaded kisslock evening bag with chain strap matches generic vintage-style evening purse, no catalog Coach style fits",
        "Era reasoning: beaded evening bag construction with synthetic satin lining indicates modern non-Coach evening bag, not pre-2000 Coach glove-tanned era",
        "Condition: Very Good to Good; beadwork and sequins appear largely intact in photo 1, photo 2, lining clean in photo 3, full fringe condition not fully verifiable"
    ],
    "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 and photo 3: Bright silver-tone metal kisslock frame, chain shoulder strap, and decorative chain attachments; no Coach engraving is legible.",
        "leather_description": "photo 1: No leather body is visible; the body appears to be black textile covered with beads and sequins.",
        "lining_description": "photo 3: Black satin-like textile lining with several open compartments; no label is visible.",
        "strap_construction": "photo 1 and photo 2: Long silver-tone chain shoulder strap attached at both upper sides.",
        "stitching_description": "photo 1 and photo 3: Textile edges are enclosed by the metal frame and beadwork; detailed stitching is not clearly assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.01,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is a heavily beaded and sequined textile evening purse, not a leather Coach handbag.",
                    "photo 1: Decorative floral beadwork, dangling bead fringe, silver-tone chain, and a metal kisslock frame are visible; none is a recognizable Coach identifier.",
                    "photo 3: Interior is satin-like synthetic fabric with multiple open compartments and no visible Coach creed or label.",
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, or classic Coach construction is visible.",
                    "photo 2: Hardware is bright silver-tone and the bag has a decorative frame-and-chain design unlike the documented vintage leather Coach silhouettes."
                ],
                "missing_information": [
                    "photo 3: A clear, fully emptied view of every interior wall and pocket to check for a maker label.",
                    "photo 2: Close-up photographs of the frame, chain attachments, and any hardware markings.",
                    "photo 1: Back, bottom, and side views to document construction and condition.",
                    "Seller-stated material, dimensions, country of manufacture, and any provenance would help date this non-Coach evening bag."
                ],
                "authenticity_concerns": [
                    "photo 1: No evidence supports Coach manufacture; the textile beaded construction is inconsistent with the usual vintage Coach leather handbag population.",
                    "photo 3: No creed, serial\/style number, or other Coach identifier is visible; authenticity as Coach cannot be supported."
                ],
                "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 and photo 3: Bright silver-tone metal kisslock frame, chain shoulder strap, and decorative chain attachments; no Coach engraving is legible.",
                    "leather_description": "photo 1: No leather body is visible; the body appears to be black textile covered with beads and sequins.",
                    "lining_description": "photo 3: Black satin-like textile lining with several open compartments; no label is visible.",
                    "strap_construction": "photo 1 and photo 2: Long silver-tone chain shoulder strap attached at both upper sides.",
                    "stitching_description": "photo 1 and photo 3: Textile edges are enclosed by the metal frame and beadwork; detailed stitching is not clearly assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette and kisslock frame identify it as a beaded evening or novelty purse rather than a recognizable Coach model.",
                    "photo 3: Satin-like lining and multiple open compartments are typical of a textile evening bag, not the unlined glove-tanned leather construction of many classic vintage Coach styles.",
                    "photo 1: Condition appears Good to Very Good overall, with beadwork and fringe largely present; small areas of bead\/sequin wear or irregularity may be present, but the interior and attachments require closer inspection."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: beaded sequin textile body with beaded fringe is inconsistent with Coach vintage glove-tanned leather construction",
                    "photo 1, photo 3: silver-tone kisslock frame and chain strap inconsistent with vintage Coach solid brass turnlock hardware"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No brand label close-up if any exists inside pocket - photo 3 interior shows no leather creed patch",
                    "No back, side or bottom views but not needed given non-leather beaded construction"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is beaded \/ sequin textile with floral beadwork and beaded fringe, not glove-tanned cowhide",
                    "photo 1, photo 2, photo 3: kisslock frame with twin ball clasps and thin silver-tone chain strap, no turnlock and no solid brass hardware",
                    "photo 3: black satin-like synthetic lining with slip pocket, not unlined suede interior",
                    "photo 1, photo 2, photo 3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with twin oval ball clasps and thin silver-tone twisted chain shoulder strap visible photo 1, photo 2, photo 3",
                    "leather_description": "no leather visible - black fabric base fully covered with glass beads, sequins in gold, turquoise, white and brown floral pattern plus beaded fringe at bottom photo 1, photo 2",
                    "lining_description": "black satin-like synthetic lining with small slip pocket visible photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - obscured by beadwork",
                    "strap_construction": "thin silver-tone metal chain shoulder strap attached at frame ends photo 1, photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette or construction - beaded kisslock evening bag with chain strap matches generic vintage-style evening purse, no catalog Coach style fits",
                    "Era reasoning: beaded evening bag construction with synthetic satin lining indicates modern non-Coach evening bag, not pre-2000 Coach glove-tanned era",
                    "Condition: Very Good to Good; beadwork and sequins appear largely intact in photo 1, photo 2, lining clean in photo 3, full fringe condition not fully verifiable"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28834,
            "output_tokens": 901,
            "total_tokens": 29735,
            "estimated_cost_usd": 0.013696
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30245,
            "output_tokens": 1501,
            "total_tokens": 31746,
            "estimated_cost_usd": 0.00725
        }
    ]
}