Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.905,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from synthetic-looking black textile\/nylon with multiple zip compartments, not vintage glove-tanned leather.",
        "photo 1: front medallion appears to read a non-Coach brand name around a central B-like emblem; no COACH wordmark or horse-and-carriage is visible.",
        "photo 2: dark lightweight-looking plated hardware and plastic\/coil-style zippers are inconsistent with classic vintage Coach construction.",
        "photo 3: interior has a bright printed synthetic lining, not the suede-backed or era-appropriate Coach lining expected in a vintage classic.",
        "photo 1: listing title describes a brand-new unbranded shoulder purse, consistent with the visible generic modern construction.",
        "photo 1: black nylon\/canvas utility shoulder bag with multiple exterior zip pockets, never a vintage Coach silhouette",
        "photo 1, photo 2: circular rubber patch and zipper pulls legibly branded SENBADIU \/ B, not COACH",
        "photo 1, photo 2, photo 3: nylon body and printed polyester lining, not glove-tanned leather and not unlined suede",
        "photo 1, photo 2: no turnlock, no brass hardware, no leather hangtag, no creed patch, no COACH wordmark or horse-and-carriage"
    ],
    "missing_information": [
        "photo 1-3: no creed patch or Coach identification is shown; an interior back-wall and pocket close-up would be needed to fully exclude a hidden label.",
        "photo 1-3: country-of-origin\/care tags and zipper-pull markings are not shown.",
        "photo 1-3: bottom, side, strap attachment, and full hardware close-ups are not provided.",
        "No further photos needed for Coach ID; brand already legible as SENBADIU"
    ],
    "authenticity_concerns": [
        "photo 1: visible non-Coach-looking circular emblem and synthetic multi-pocket construction indicate a generic or other-brand bag rather than a Coach product.",
        "photo 3: printed synthetic lining is inconsistent with the classic vintage Coach styles that this tool is intended to identify."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic modern multi-compartment shoulder\/crossbody purse, with no close catalog match to a Coach model.",
        "photo 1-3: no Coach identifier, creed, serial, or recognizable Coach construction is visible; estimated era is modern (2000s+), non-Coach.",
        "photo 1-3: condition appears New or Like New based on the seller's brand-new claim and clean-looking photos, but condition is not independently verifiable; odor and hidden defects are unknown.",
        "Nylon multi-zip utility crossbody with SENBADIU B branding is inconsistent with any Coach catalog style and with Coach materials; no Coach identifier in any photo",
        "Condition: New as listed; photos show clean nylon and lining consistent with new mass-produced synthetic bag"
    ],
    "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 1-2: multiple small dark and silver-tone zipper pulls and circular decorative\/emblem hardware; no Coach-marked hardware is legible.",
        "leather_description": "photo 1-2: appears to be synthetic textile\/nylon rather than leather; exact material is not stated.",
        "lining_description": "photo 3: gray-and-white printed synthetic textile lining with multiple interior compartments.",
        "strap_construction": "photo 1-2: wide adjustable textile shoulder strap with a silver-tone adjuster\/attachment fitting.",
        "stitching_description": "photo 1-3: visible machine stitching appears generally even; detailed stress-point stitching is not fully shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from synthetic-looking black textile\/nylon with multiple zip compartments, not vintage glove-tanned leather.",
                    "photo 1: front medallion appears to read a non-Coach brand name around a central B-like emblem; no COACH wordmark or horse-and-carriage is visible.",
                    "photo 2: dark lightweight-looking plated hardware and plastic\/coil-style zippers are inconsistent with classic vintage Coach construction.",
                    "photo 3: interior has a bright printed synthetic lining, not the suede-backed or era-appropriate Coach lining expected in a vintage classic.",
                    "photo 1: listing title describes a brand-new unbranded shoulder purse, consistent with the visible generic modern construction."
                ],
                "missing_information": [
                    "photo 1-3: no creed patch or Coach identification is shown; an interior back-wall and pocket close-up would be needed to fully exclude a hidden label.",
                    "photo 1-3: country-of-origin\/care tags and zipper-pull markings are not shown.",
                    "photo 1-3: bottom, side, strap attachment, and full hardware close-ups are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: visible non-Coach-looking circular emblem and synthetic multi-pocket construction indicate a generic or other-brand bag rather than a Coach product.",
                    "photo 3: printed synthetic lining is inconsistent with the classic vintage Coach styles that this tool is intended to identify."
                ],
                "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 1-2: multiple small dark and silver-tone zipper pulls and circular decorative\/emblem hardware; no Coach-marked hardware is legible.",
                    "leather_description": "photo 1-2: appears to be synthetic textile\/nylon rather than leather; exact material is not stated.",
                    "lining_description": "photo 3: gray-and-white printed synthetic textile lining with multiple interior compartments.",
                    "strap_construction": "photo 1-2: wide adjustable textile shoulder strap with a silver-tone adjuster\/attachment fitting.",
                    "stitching_description": "photo 1-3: visible machine stitching appears generally even; detailed stress-point stitching is not fully shown."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic modern multi-compartment shoulder\/crossbody purse, with no close catalog match to a Coach model.",
                    "photo 1-3: no Coach identifier, creed, serial, or recognizable Coach construction is visible; estimated era is modern (2000s+), non-Coach.",
                    "photo 1-3: condition appears New or Like New based on the seller's brand-new claim and clean-looking photos, but condition is not independently verifiable; odor and hidden defects are unknown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "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": 0.98,
                "missing_information": [
                    "No further photos needed for Coach ID; brand already legible as SENBADIU"
                ],
                "negative_evidence": [
                    "photo 1: black nylon\/canvas utility shoulder bag with multiple exterior zip pockets, never a vintage Coach silhouette",
                    "photo 1, photo 2: circular rubber patch and zipper pulls legibly branded SENBADIU \/ B, not COACH",
                    "photo 1, photo 2, photo 3: nylon body and printed polyester lining, not glove-tanned leather and not unlined suede",
                    "photo 1, photo 2: no turnlock, no brass hardware, no leather hangtag, no creed patch, no COACH wordmark or horse-and-carriage"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone coil zippers with black rubber SENBADIU logo pulls visible in photo 1 and photo 2; no brass, no turnlock",
                    "leather_description": "no leather visible; black woven nylon\/canvas synthetic body in photo 1 and photo 2",
                    "lining_description": "photo 3: grey polyester with white geometric fan\/stripe print and interior zip pocket with beige tape",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on nylon, tone-on-tone, visible around pockets in photo 1 and photo 2",
                    "strap_construction": "photo 1, photo 2: black woven webbing adjustable shoulder strap with metal hardware",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Nylon multi-zip utility crossbody with SENBADIU B branding is inconsistent with any Coach catalog style and with Coach materials; no Coach identifier in any photo",
                    "Condition: New as listed; photos show clean nylon and lining consistent with new mass-produced synthetic bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21932,
            "output_tokens": 775,
            "total_tokens": 22707,
            "estimated_cost_usd": 0.010633
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22731,
            "output_tokens": 1099,
            "total_tokens": 23830,
            "estimated_cost_usd": 0.005425
        }
    ]
}