Vintage Coach Hunter

{
    "is_handbag_probability": 0.955,
    "coach_probability": 0.07,
    "vintage_probability": 0.245,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.38,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.34,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-looking brown crossbody\/shoulder bag with a practical multi-zip hobo construction.",
        "photo 1: The seller lists the brand as unbranded, so the absence of a Coach claim is not treated as evidence against Coach.",
        "photo 1: genuine-appearing leather handbag in brown, consistent with general secondhand leather hobo population where misidentified bags hide"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photo 1: The bag appears fabric-lined or padded around the zipper and uses multiple prominent metal zippers, unlike the classic unlined glove-tanned Coach silhouettes shown in the reference catalog.",
        "photo 1: Visible construction is a generic soft hobo\/crossbody design without a distinctive Coach model-specific closure or hardware configuration.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock present; closure is exposed zip-top, not vintage Coach flap-turnlock system",
        "photo 1: soft slouchy zip-top hobo silhouette does not match catalogued vintage classics like City Bag, Willis, Court, Station, Dinky",
        "photo 1: thin soft matte brown leather with contrast stitching and light-color coil zippers, not observed as thick glove-tanned with solid brass hardware",
        "photos 1-5: all five images are near-duplicate of same collapsed side angle, no interior, bottom, hardware close-up, or identifier view"
    ],
    "missing_information": [
        "Straight-on front, back, sides, bottom, and all corners.",
        "Empty interior showing the lining, pockets, seams, and any leather creed patch or fabric label.",
        "Close-up of every zipper pull, hardware stamp, strap attachment, and any hangtag.",
        "Full strap, underside, and seller-stated dimensions.",
        "Country-of-origin or care tag, if present.",
        "interior views including creed patch area and lining not shown - request emptied interior back wall and slip pocket",
        "close-up of zipper pulls and any brand stamps not shown",
        "front, back, bottom and side views not shown - only one collapsed side angle repeated",
        "hangtag both faces and attachment not shown",
        "strap full length, buckle holes and anchor construction not shown",
        "seller-stated dimensions and scale cue not provided"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifiers are visible, leaving the item more consistent with a generic unbranded leather bag than a Coach product.",
        "photo 1: The visible multi-zip, soft hobo construction does not closely match the documented classic vintage Coach models."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because no brand identifier is visible and the silhouette is a generic soft multi-zip hobo rather than a distinctive catalog match.",
        "photo 1: Apparent condition is approximately Good, with substantial creasing and visible wear; bottom, interior, corners, and strap stress points are not shown, so the grade is provisional.",
        "No Coach model fits: zip-top soft hobo with double-zip construction and no turnlock, no exterior slip pocket, no dowel handle, no flap - inconsistent with Willis (9927), Court (9870), Station (5130), City Bag (9790), Dinky (9375) and other classics",
        "No serial decode possible - no number visible",
        "Era reasoning: without creed, country, hardware stamps or lining, cannot date; slouchy zip hobo construction leans modern non-Coach",
        "Condition: Good to Fair based on single view; leather looks soft\/worn and slouchy with surface variation in photo 1, but corners, bottom, interior, strap fold and hardware function not shown so 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: Several light metallic zipper teeth and small zipper pulls are visible; no readable branding or turnlock is visible.",
        "leather_description": "photo 1: Brown, soft-looking leather or leather-like material with noticeable creasing and surface wear; exact material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long adjustable-looking shoulder\/crossbody strap with stitched edges; attachment and adjustment details are partly obscured.",
        "stitching_description": "photo 1: Parallel machine stitching is visible along zipper and strap edges; full seam quality cannot be assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.08,
                "vintage_probability": 0.24,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.46,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-looking brown crossbody\/shoulder bag with a practical multi-zip hobo construction.",
                    "photo 1: The seller lists the brand as unbranded, so the absence of a Coach claim is not treated as evidence against Coach."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photo 1: The bag appears fabric-lined or padded around the zipper and uses multiple prominent metal zippers, unlike the classic unlined glove-tanned Coach silhouettes shown in the reference catalog.",
                    "photo 1: Visible construction is a generic soft hobo\/crossbody design without a distinctive Coach model-specific closure or hardware configuration."
                ],
                "missing_information": [
                    "Straight-on front, back, sides, bottom, and all corners.",
                    "Empty interior showing the lining, pockets, seams, and any leather creed patch or fabric label.",
                    "Close-up of every zipper pull, hardware stamp, strap attachment, and any hangtag.",
                    "Full strap, underside, and seller-stated dimensions.",
                    "Country-of-origin or care tag, if present."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifiers are visible, leaving the item more consistent with a generic unbranded leather bag than a Coach product.",
                    "photo 1: The visible multi-zip, soft hobo construction does not closely match the documented classic vintage Coach models."
                ],
                "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: Several light metallic zipper teeth and small zipper pulls are visible; no readable branding or turnlock is visible.",
                    "leather_description": "photo 1: Brown, soft-looking leather or leather-like material with noticeable creasing and surface wear; exact material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long adjustable-looking shoulder\/crossbody strap with stitched edges; attachment and adjustment details are partly obscured.",
                    "stitching_description": "photo 1: Parallel machine stitching is visible along zipper and strap edges; full seam quality cannot be assessed."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because no brand identifier is visible and the silhouette is a generic soft multi-zip hobo rather than a distinctive catalog match.",
                    "photo 1: Apparent condition is approximately Good, with substantial creasing and visible wear; bottom, interior, corners, and strap stress points are not shown, so the grade is provisional."
                ],
                "confidence": 0.38,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.06,
                "confidence": 0.3,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views including creed patch area and lining not shown - request emptied interior back wall and slip pocket",
                    "close-up of zipper pulls and any brand stamps not shown",
                    "front, back, bottom and side views not shown - only one collapsed side angle repeated",
                    "hangtag both faces and attachment not shown",
                    "strap full length, buckle holes and anchor construction not shown",
                    "seller-stated dimensions and scale cue not provided"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock present; closure is exposed zip-top, not vintage Coach flap-turnlock system",
                    "photo 1: soft slouchy zip-top hobo silhouette does not match catalogued vintage classics like City Bag, Willis, Court, Station, Dinky",
                    "photo 1: thin soft matte brown leather with contrast stitching and light-color coil zippers, not observed as thick glove-tanned with solid brass hardware",
                    "photos 1-5: all five images are near-duplicate of same collapsed side angle, no interior, bottom, hardware close-up, or identifier view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone zipper teeth along top and side; zipper slider\/pull not legible, no COACH engraving visible; no turnlock, buckle, or dogleash clip visible",
                    "leather_description": "medium brown soft matte leather, slouchy and wrinkled, surface looks sueded\/nubuck-like in this light; not clearly identifiable as glove-tanned cowhide from this single angle",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tan contrast stitching visible along edges and strap in photo 1; evenness and stress points not assessable from distance",
                    "strap_construction": "single wide shoulder\/crossbody strap in same brown leather, attachment and adjustability not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: genuine-appearing leather handbag in brown, consistent with general secondhand leather hobo population where misidentified bags hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top soft hobo with double-zip construction and no turnlock, no exterior slip pocket, no dowel handle, no flap - inconsistent with Willis (9927), Court (9870), Station (5130), City Bag (9790), Dinky (9375) and other classics",
                    "No serial decode possible - no number visible",
                    "Era reasoning: without creed, country, hardware stamps or lining, cannot date; slouchy zip hobo construction leans modern non-Coach",
                    "Condition: Good to Fair based on single view; leather looks soft\/worn and slouchy with surface variation in photo 1, but corners, bottom, interior, strap fold and hardware function not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28775,
            "output_tokens": 756,
            "total_tokens": 29531,
            "estimated_cost_usd": 0.013324
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30088,
            "output_tokens": 1350,
            "total_tokens": 31438,
            "estimated_cost_usd": 0.007098
        }
    ]
}