Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.54,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.305,
    "confidence": 0.74,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather shoulder bag with substantial fringe and an adjustable strap is clearly a handbag.",
        "photo 2: Tan leather construction and visibly aged styling are compatible with a vintage western\/boho bag, but are not specifically Coach indicators.",
        "photo 1-6: leather shoulder hobo handbag, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage mark, hangtag, creed patch, or recognizable Coach closure.",
        "photo 2: The bag is a fringe western\/hobo design not readily matched to the listed classic Coach models.",
        "photo 3: Visible strap attachment uses simple hardware rather than a clearly Coach-specific dogleash or turnlock construction.",
        "photo 6: No Coach branding or interior identifier is visible.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-6: long all-over leather fringe front panel with western yoke seam - silhouette not in Coach classic catalog",
        "photo 1,3,6: narrow strap attached with small silver-tone rings, not solid brass dogleash\/lobster or brass turnlock hardware expected on vintage Coach",
        "photo 1-6: no turnlock closure visible; open-top hobo form",
        "photo 1-6: soft thin tan leather with drape, not thick glove-tanned cowhide with suede-back unlined look"
    ],
    "missing_information": [
        "Straight-on interior photo, including all pockets and seams.",
        "Close-up of any interior leather patch, fabric label, or stamp.",
        "Close-up of strap hardware and any zipper or closure hardware.",
        "Bottom, side, and corner photos to assess construction and condition.",
        "Seller-stated dimensions excluding fringe and confirmation of whether the bag has a zipper or other closure.",
        "photo of interior emptied showing lining and any creed patch or labels",
        "straight-on close-up of any interior stamped patch or fabric tag in raking light",
        "close-up of hardware tone and zipper-pull stamps",
        "photo of bottom, back, sides and strap anchors"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photos; the bag currently reads as a generic vintage leather fringe bag rather than an identifiable Coach model.",
        "Seller's claimed 1970s date is not verifiable from the photos."
    ],
    "possible_model_reasoning": [
        "No listed Coach model is a persuasive match because the bag has prominent western fringe and no visible Coach identifier.",
        "Condition: approximately Very Good based on intact-looking leather and fringe with visible creasing and wear; the interior and bottom are not shown, so condition is capped by incomplete coverage.",
        "No Coach model matches: fringe hobo with western yoke is not a catalogued Cashin, classic, or modern Coach silhouette",
        "No serial decode possible - no number visible",
        "Era cannot be dated without interior\/hardware identifiers; seller claims 1970s but not verified in photos",
        "Condition: appears Good to Very Good exterior with supple leather and intact fringe (photo 2-3), but interior, bottom corners, strap fold and odor unknown so grade capped"
    ],
    "estimated_era": "unknown",
    "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 3: Small metal strap attachment hardware is visible; its material and branding are not legible. No turnlock is visible.",
        "leather_description": "photos 1-6: Tan leather-looking body and extensive narrow leather fringe; surface appears soft and somewhat wrinkled.",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photos 1 and 3: Long adjustable shoulder strap with visible adjustment holes and simple end attachments.",
        "stitching_description": "photos 2-6: Visible top-edge and panel stitching appears generally even, though fine construction details are limited."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0137,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.58,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.58,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather shoulder bag with substantial fringe and an adjustable strap is clearly a handbag.",
                    "photo 2: Tan leather construction and visibly aged styling are compatible with a vintage western\/boho bag, but are not specifically Coach indicators."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage mark, hangtag, creed patch, or recognizable Coach closure.",
                    "photo 2: The bag is a fringe western\/hobo design not readily matched to the listed classic Coach models.",
                    "photo 3: Visible strap attachment uses simple hardware rather than a clearly Coach-specific dogleash or turnlock construction.",
                    "photo 6: No Coach branding or interior identifier is visible."
                ],
                "missing_information": [
                    "Straight-on interior photo, including all pockets and seams.",
                    "Close-up of any interior leather patch, fabric label, or stamp.",
                    "Close-up of strap hardware and any zipper or closure hardware.",
                    "Bottom, side, and corner photos to assess construction and condition.",
                    "Seller-stated dimensions excluding fringe and confirmation of whether the bag has a zipper or other closure."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photos; the bag currently reads as a generic vintage leather fringe bag rather than an identifiable Coach model.",
                    "Seller's claimed 1970s date is not verifiable from the photos."
                ],
                "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 3: Small metal strap attachment hardware is visible; its material and branding are not legible. No turnlock is visible.",
                    "leather_description": "photos 1-6: Tan leather-looking body and extensive narrow leather fringe; surface appears soft and somewhat wrinkled.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1 and 3: Long adjustable shoulder strap with visible adjustment holes and simple end attachments.",
                    "stitching_description": "photos 2-6: Visible top-edge and panel stitching appears generally even, though fine construction details are limited."
                },
                "possible_model_reasoning": [
                    "No listed Coach model is a persuasive match because the bag has prominent western fringe and no visible Coach identifier.",
                    "Condition: approximately Very Good based on intact-looking leather and fringe with visible creasing and wear; the interior and bottom are not shown, so condition is capped by incomplete coverage."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied showing lining and any creed patch or labels",
                    "straight-on close-up of any interior stamped patch or fabric tag in raking light",
                    "close-up of hardware tone and zipper-pull stamps",
                    "photo of bottom, back, sides and strap anchors"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-6: long all-over leather fringe front panel with western yoke seam - silhouette not in Coach classic catalog",
                    "photo 1,3,6: narrow strap attached with small silver-tone rings, not solid brass dogleash\/lobster or brass turnlock hardware expected on vintage Coach",
                    "photo 1-6: no turnlock closure visible; open-top hobo form",
                    "photo 1-6: soft thin tan leather with drape, not thick glove-tanned cowhide with suede-back unlined look"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small silver-tone rings at strap anchors visible in photo 1,3,6; no turnlock, no brass dogleash clips, no COACH stamping visible",
                    "leather_description": "tan smooth leather body with long cut leather fringe across front in photo 2-6; soft drapey hand, western-style yoke seam",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone topstitching along yoke visible in photo 2,4; detail insufficient for full assessment",
                    "strap_construction": "narrow flat tan leather crossbody strap with snap-button adjustment seen in photo 1,3; full length and buckle holes not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather shoulder hobo handbag, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model matches: fringe hobo with western yoke is not a catalogued Cashin, classic, or modern Coach silhouette",
                    "No serial decode possible - no number visible",
                    "Era cannot be dated without interior\/hardware identifiers; seller claims 1970s but not verified in photos",
                    "Condition: appears Good to Very Good exterior with supple leather and intact fringe (photo 2-3), but interior, bottom corners, strap fold and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 742,
            "total_tokens": 18841,
            "estimated_cost_usd": 0.00902
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18652,
            "output_tokens": 1257,
            "total_tokens": 19909,
            "estimated_cost_usd": 0.004736
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}