Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.81,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.86,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured vintage-style top-handle handbag with a flap and gold-tone closure hardware.",
        "photo 3: Interior construction and zipper are visible, allowing comparison with Coach construction."
    ],
    "negative_evidence": [
        "photo 1: The prominent mock-croc patterned, glossy material is unlike the smooth glove-tanned leather typical of classic vintage Coach.",
        "photo 1: The bow-shaped gold-tone strap attachments and oval turn-style closures do not match recognizable vintage Coach turnlock geometry.",
        "photo 3: The bag has a fabric-lined, compartmented interior with a contrasting light-colored zippered section; this is not the typical unlined construction of many classic 1970s\u20131990s Coach handbags.",
        "photo 6: The oval closure has no visible COACH wordmark or other Coach branding.",
        "photo 1: No Coach hangtag, carriage, creed patch, or identifiable Coach wordmark is visible.",
        "photo 1, photo 2: brown mock-croc embossed glossy leather with Kelly-style flap, not vintage Coach glove-tanned smooth leather",
        "photo 1, photo 5, photo 6: bow-anchor handle attachments and oval snap closure, no turnlock of any geometry",
        "photo 3, photo 4: fully fabric-lined accordion compartments with center zip, not unlined suede-back glove-tanned interior of classics",
        "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag visible",
        "photo 2: fixed dual top handles sewn to body, not Coach buckle-adjustable or dogleash-clip or dowel-handle construction"
    ],
    "missing_information": [
        "A straight-on photograph of the entire interior back wall and every pocket, including any labels or leather patches.",
        "Close-up photographs of the zipper pull, closure backs, interior labels, and bottom.",
        "Photographs of both sides, the base, handle attachments, and any underside markings.",
        "Seller-stated dimensions and material information; the listing title calls the material mock croc but does not establish whether it is leather or synthetic.",
        "No creed patch visible in any photo - interior walls and zip compartment show no stamped leather patch (photos 3, 4)",
        "No Coach wordmark, horse-and-carriage, hangtag or hardware stamp visible (photos 1, 2, 5, 6)",
        "No bottom, side or scale view; seller dimensions not stated",
        "Interior brand label \/ country tag not shown in close-up"
    ],
    "authenticity_concerns": [
        "The silhouette and ornate bow hardware appear more consistent with a generic or other-brand vintage handbag than with a Coach model.",
        "The glossy mock-croc finish, fabric lining, and decorative oval closures are inconsistent with the usual construction cues of Coach classic leather bags.",
        "No Coach identifier is visible in the supplied photos; a pre-creed Coach exception is possible in principle but unsupported here."
    ],
    "possible_model_reasoning": [
        "No Coach catalog model is a close match: the structured bow-top-handle design and mock-croc finish do not correspond to the listed classic Coach silhouettes.",
        "The seller title's 1950s\u20131960s dating is unverified; the fabric-lined interior and visible zipper suggest a generic mid-century or later structured handbag, but an exact era cannot be established.",
        "Condition: Good; the exterior shows extensive surface crackle\/crazing or a crackle-finish pattern, while the interior and hardware appear intact in the supplied views. Bottom, handle stress points, odor, and hidden interior areas are not fully documented.",
        "No Coach catalog silhouette matches: Kelly-style mock-croc top-handle with bow anchors and snap flap is not a City Bag, Willis, Court, Station, Dinky or other classic glove-tanned style",
        "Construction points away from Coach: embossed exotic-pattern leather + fabric lining + snap closure vs unlined glove-tanned + solid brass turnlock",
        "No identifier to decode: no creed, serial, country line, or wordmark to date; seller dates as 1950s-1960s which predates Coach creed system but shape\/hardware do not match Cashin-era Coach",
        "Condition: Very Good to Excellent appearance; glossy surface intact (photos 1, 2), interior looks clean (photos 3, 4), hardware bright (photos 5, 6); capped because bottom corners, strap folds and odor\/mold not assessable"
    ],
    "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: Gold-tone oval closures with central keyhole-like openings and bow-shaped strap attachments; no branding is legible. photo 6: Closure hardware is shown close up but does not show a Coach mark.",
        "leather_description": "photo 1: Brown glossy mock-croc patterned exterior with extensive crackle-like texture; exact material is not determinable from photos.",
        "lining_description": "photo 3: Dark fabric-lined main compartment and a light tan fabric-lined zippered compartment are visible.",
        "strap_construction": "photo 1: Two fixed top handles\/straps run down the front and attach near the bow-shaped gold-tone fittings; no detachable shoulder strap is visible.",
        "stitching_description": "photo 4: Close-up shows narrow, generally even machine stitching around the interior edges, though construction details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured vintage-style top-handle handbag with a flap and gold-tone closure hardware.",
                    "photo 3: Interior construction and zipper are visible, allowing comparison with Coach construction."
                ],
                "negative_evidence": [
                    "photo 1: The prominent mock-croc patterned, glossy material is unlike the smooth glove-tanned leather typical of classic vintage Coach.",
                    "photo 1: The bow-shaped gold-tone strap attachments and oval turn-style closures do not match recognizable vintage Coach turnlock geometry.",
                    "photo 3: The bag has a fabric-lined, compartmented interior with a contrasting light-colored zippered section; this is not the typical unlined construction of many classic 1970s\u20131990s Coach handbags.",
                    "photo 6: The oval closure has no visible COACH wordmark or other Coach branding.",
                    "photo 1: No Coach hangtag, carriage, creed patch, or identifiable Coach wordmark is visible."
                ],
                "missing_information": [
                    "A straight-on photograph of the entire interior back wall and every pocket, including any labels or leather patches.",
                    "Close-up photographs of the zipper pull, closure backs, interior labels, and bottom.",
                    "Photographs of both sides, the base, handle attachments, and any underside markings.",
                    "Seller-stated dimensions and material information; the listing title calls the material mock croc but does not establish whether it is leather or synthetic."
                ],
                "authenticity_concerns": [
                    "The silhouette and ornate bow hardware appear more consistent with a generic or other-brand vintage handbag than with a Coach model.",
                    "The glossy mock-croc finish, fabric lining, and decorative oval closures are inconsistent with the usual construction cues of Coach classic leather bags.",
                    "No Coach identifier is visible in the supplied photos; a pre-creed Coach exception is possible in principle but unsupported here."
                ],
                "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: Gold-tone oval closures with central keyhole-like openings and bow-shaped strap attachments; no branding is legible. photo 6: Closure hardware is shown close up but does not show a Coach mark.",
                    "leather_description": "photo 1: Brown glossy mock-croc patterned exterior with extensive crackle-like texture; exact material is not determinable from photos.",
                    "lining_description": "photo 3: Dark fabric-lined main compartment and a light tan fabric-lined zippered compartment are visible.",
                    "strap_construction": "photo 1: Two fixed top handles\/straps run down the front and attach near the bow-shaped gold-tone fittings; no detachable shoulder strap is visible.",
                    "stitching_description": "photo 4: Close-up shows narrow, generally even machine stitching around the interior edges, though construction details are limited."
                },
                "possible_model_reasoning": [
                    "No Coach catalog model is a close match: the structured bow-top-handle design and mock-croc finish do not correspond to the listed classic Coach silhouettes.",
                    "The seller title's 1950s\u20131960s dating is unverified; the fabric-lined interior and visible zipper suggest a generic mid-century or later structured handbag, but an exact era cannot be established.",
                    "Condition: Good; the exterior shows extensive surface crackle\/crazing or a crackle-finish pattern, while the interior and hardware appear intact in the supplied views. Bottom, handle stress points, odor, and hidden interior areas are not fully documented."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in any photo - interior walls and zip compartment show no stamped leather patch (photos 3, 4)",
                    "No Coach wordmark, horse-and-carriage, hangtag or hardware stamp visible (photos 1, 2, 5, 6)",
                    "No bottom, side or scale view; seller dimensions not stated",
                    "Interior brand label \/ country tag not shown in close-up"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: brown mock-croc embossed glossy leather with Kelly-style flap, not vintage Coach glove-tanned smooth leather",
                    "photo 1, photo 5, photo 6: bow-anchor handle attachments and oval snap closure, no turnlock of any geometry",
                    "photo 3, photo 4: fully fabric-lined accordion compartments with center zip, not unlined suede-back glove-tanned interior of classics",
                    "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag visible",
                    "photo 2: fixed dual top handles sewn to body, not Coach buckle-adjustable or dogleash-clip or dowel-handle construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone snap closure (oval male\/female parts in photos 5, 6) and small bow-form handle anchors in photo 1; no turnlock, no buckle, no dogleash clips, no COACH stamping visible",
                    "leather_description": "dark brown glossy mock-croc \/ alligator-embossed leather seen in photos 1, 2, 6; shiny coated embossed finish, not matte glove-tanned cowhide",
                    "lining_description": "dark brown ribbed fabric lining in main compartments and tan \/ cream fabric in zip compartment in photos 3, 4; fully lined, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on flap in photo 3, appears even; no detailed stitch close-up to assess thread match or stress points",
                    "strap_construction": "dual fixed short top handles in matching mock-croc, sewn directly to body front and back (photos 1, 2); no adjustable crossbody strap, no buckle holes or clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: Kelly-style mock-croc top-handle with bow anchors and snap flap is not a City Bag, Willis, Court, Station, Dinky or other classic glove-tanned style",
                    "Construction points away from Coach: embossed exotic-pattern leather + fabric lining + snap closure vs unlined glove-tanned + solid brass turnlock",
                    "No identifier to decode: no creed, serial, country line, or wordmark to date; seller dates as 1950s-1960s which predates Coach creed system but shape\/hardware do not match Cashin-era Coach",
                    "Condition: Very Good to Excellent appearance; glossy surface intact (photos 1, 2), interior looks clean (photos 3, 4), hardware bright (photos 5, 6); capped because bottom corners, strap folds and odor\/mold not assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.8
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26566,
            "output_tokens": 878,
            "total_tokens": 27444,
            "estimated_cost_usd": 0.012734
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27710,
            "output_tokens": 1495,
            "total_tokens": 29205,
            "estimated_cost_usd": 0.006738
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}