Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.31,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.615,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.845,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with an attached shoulder\/handle strap.",
        "photo 2: leather construction and metal feet are visible.",
        "photo 6: a leather-lined accessory and key-holder component are visible, consistent with the advertised three-piece set.",
        "photo 1: leather handbag with brass-tone hardware (generic, not Coach-specific)"
    ],
    "negative_evidence": [
        "photo 1: highly ornate Western\/tooled floral decoration is not characteristic of the classic Coach silhouettes shown in the reference catalog.",
        "photo 1: clasp hardware is a generic rectangular turn-style closure rather than a recognizable vintage Coach turnlock.",
        "photos 1, 2, 4, and 5: extensive contrast lacing around the edges is not typical of vintage Coach construction.",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage mark, leather hangtag, creed patch, or serial\/style number is visible.",
        "photo 6: the visible interior\/accessory construction appears handmade or Western-style rather than consistent with a standard Coach classic interior.",
        "photo 1,2,4: all-over Western floral hand-tooled leather with glossy finish - never a Coach classic glove-tanned finish per \u00a73.1",
        "photo 1: twist-lock geometry is oval with center bar and tarnished plating, not Coach thin oval turnlock with slim tab per \u00a73.2",
        "photo 2,3,4,5: exposed dome rivets, whip-stitched \/ laced edges and dark lacing - not Coach construction per \u00a73.3",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or COACH hangtag visible in any view",
        "photo 3,5: matching tooled wallet\/key case 3-piece western set - not a Coach model set per \u00a74"
    ],
    "missing_information": [
        "Straight-on interior back-wall and pocket photos to verify whether any creed patch or brand label exists.",
        "Close-up photos of every interior compartment, zipper pull, and hardware stamp.",
        "Full front, back, side, bottom, and strap views of the handbag.",
        "Seller-stated dimensions and material information; the listing does not establish whether all components are genuine full-grain leather.",
        "photo of interior of main handbag emptied including any maker stamp, creed patch or fabric label (photo 1-6: interior never shown)",
        "photo of back, bottom and full front of handbag for shape and scale",
        "close-up of turnlock back plate and hardware stamps if any",
        "seller-stated dimensions of handbag"
    ],
    "authenticity_concerns": [
        "The visible construction and decorative style are inconsistent with the vintage Coach catalog and are more consistent with an unbranded tooled-leather Western handbag set.",
        "No Coach identifier is visible in the provided photos; the absence is not conclusive because the relevant interior areas are incompletely shown."
    ],
    "possible_model_reasoning": [
        "The silhouette and tooling do not closely match a documented vintage Coach model; no Coach model is proposed.",
        "The advertised NWOT condition is seller-stated and not independently verifiable. Visible leather and hardware appear unused or lightly handled, but the complete condition cannot be graded without full views.",
        "No Coach catalog silhouette matches: boxy tooled top-handle bag with all-over Western tooling, exposed studs and twist-lock plus matching tooled wallets has no counterpart in \u00a74.1-4.2 classics",
        "No Coach identifier visible to decode for era; construction (tooled finish, laced edges, studs, twist-lock) points away from Coach glove-tanned classics",
        "Condition: seller states NWOT; photos show glossy clean surfaces with no visible corner wear, but interior, bottom and back not shown so grade capped at Very Good"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: silver-tone rectangular turn-style clasp; photos 2 and 5: small gold-tone spherical studs and metal feet; no Coach engraving visible.",
        "leather_description": "photos 1-5: tan\/caramel leather with extensive embossed and carved floral\/scroll tooling and a glossy finish; material appears leather, but exact leather type is not verifiable.",
        "lining_description": "photo 6: tan suede-like interior is visible on an accessory; the handbag's complete lining is not shown.",
        "strap_construction": "photos 1 and 5: matching narrow leather straps with multiple rows of visible stitching and rivet\/stud attachments.",
        "stitching_description": "photos 1-7: prominent dark contrast stitching and extensive decorative whip\/lacing around the edges; construction does not resemble typical vintage Coach edge finishing."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0092,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with an attached shoulder\/handle strap.",
                    "photo 2: leather construction and metal feet are visible.",
                    "photo 6: a leather-lined accessory and key-holder component are visible, consistent with the advertised three-piece set."
                ],
                "negative_evidence": [
                    "photo 1: highly ornate Western\/tooled floral decoration is not characteristic of the classic Coach silhouettes shown in the reference catalog.",
                    "photo 1: clasp hardware is a generic rectangular turn-style closure rather than a recognizable vintage Coach turnlock.",
                    "photos 1, 2, 4, and 5: extensive contrast lacing around the edges is not typical of vintage Coach construction.",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage mark, leather hangtag, creed patch, or serial\/style number is visible.",
                    "photo 6: the visible interior\/accessory construction appears handmade or Western-style rather than consistent with a standard Coach classic interior."
                ],
                "missing_information": [
                    "Straight-on interior back-wall and pocket photos to verify whether any creed patch or brand label exists.",
                    "Close-up photos of every interior compartment, zipper pull, and hardware stamp.",
                    "Full front, back, side, bottom, and strap views of the handbag.",
                    "Seller-stated dimensions and material information; the listing does not establish whether all components are genuine full-grain leather."
                ],
                "authenticity_concerns": [
                    "The visible construction and decorative style are inconsistent with the vintage Coach catalog and are more consistent with an unbranded tooled-leather Western handbag set.",
                    "No Coach identifier is visible in the provided photos; the absence is not conclusive because the relevant interior areas are incompletely shown."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: silver-tone rectangular turn-style clasp; photos 2 and 5: small gold-tone spherical studs and metal feet; no Coach engraving visible.",
                    "leather_description": "photos 1-5: tan\/caramel leather with extensive embossed and carved floral\/scroll tooling and a glossy finish; material appears leather, but exact leather type is not verifiable.",
                    "lining_description": "photo 6: tan suede-like interior is visible on an accessory; the handbag's complete lining is not shown.",
                    "strap_construction": "photos 1 and 5: matching narrow leather straps with multiple rows of visible stitching and rivet\/stud attachments.",
                    "stitching_description": "photos 1-7: prominent dark contrast stitching and extensive decorative whip\/lacing around the edges; construction does not resemble typical vintage Coach edge finishing."
                },
                "possible_model_reasoning": [
                    "The silhouette and tooling do not closely match a documented vintage Coach model; no Coach model is proposed.",
                    "The advertised NWOT condition is seller-stated and not independently verifiable. Visible leather and hardware appear unused or lightly handled, but the complete condition cannot be graded without full views."
                ],
                "confidence": 0.87,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior of main handbag emptied including any maker stamp, creed patch or fabric label (photo 1-6: interior never shown)",
                    "photo of back, bottom and full front of handbag for shape and scale",
                    "close-up of turnlock back plate and hardware stamps if any",
                    "seller-stated dimensions of handbag"
                ],
                "negative_evidence": [
                    "photo 1,2,4: all-over Western floral hand-tooled leather with glossy finish - never a Coach classic glove-tanned finish per \u00a73.1",
                    "photo 1: twist-lock geometry is oval with center bar and tarnished plating, not Coach thin oval turnlock with slim tab per \u00a73.2",
                    "photo 2,3,4,5: exposed dome rivets, whip-stitched \/ laced edges and dark lacing - not Coach construction per \u00a73.3",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or COACH hangtag visible in any view",
                    "photo 3,5: matching tooled wallet\/key case 3-piece western set - not a Coach model set per \u00a74"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: oval brass-tone twist-lock with center bar, tarnished; photo 1,2,4: round brass-tone dome rivets\/studs on body and handle attachments",
                    "leather_description": "photo 1-4: tan \/ light brown leather with all-over hand-tooled Western floral \/ scroll carving, glossy coated appearance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: dark machine stitching along handles; photo 3,4,5: dark brown whip-stitch \/ lacing around wallet edges and bag side edges",
                    "strap_construction": "photo 1,4: short top handles riveted to body with two rivets each; no detachable crossbody strap shown",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone hardware (generic, not Coach-specific)"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: boxy tooled top-handle bag with all-over Western tooling, exposed studs and twist-lock plus matching tooled wallets has no counterpart in \u00a74.1-4.2 classics",
                    "No Coach identifier visible to decode for era; construction (tooled finish, laced edges, studs, twist-lock) points away from Coach glove-tanned classics",
                    "Condition: seller states NWOT; photos show glossy clean surfaces with no visible corner wear, but interior, bottom and back not shown so grade capped at Very Good"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17698,
            "output_tokens": 882,
            "total_tokens": 18580,
            "estimated_cost_usd": 0.009196
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18032,
            "output_tokens": 1500,
            "total_tokens": 19532,
            "estimated_cost_usd": 0.004806
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}