Vintage Coach Hunter

{
    "is_handbag_probability": 0.94,
    "coach_probability": 0.025,
    "vintage_probability": 0.3,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.785,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small leather crossbody handbag with a flap and metal closure",
        "photo 1: leather-like black exterior and brass-tone hardware are compatible with a broad range of vintage handbags"
    ],
    "negative_evidence": [
        "photo 1: ornate oversized latch\/animal-like clasp is not the elegant rounded Coach turnlock geometry typical of vintage Coach",
        "photo 1: decorative contrasting stitched and embossed lower panel is unlike the plain, understated construction of common vintage Coach classics",
        "photo 2: glossy coated-looking leather and decorative motif provide no recognizable Coach identifier",
        "photo 3: interior is visibly fabric-free or leather-faced with multiple wallet-style compartments, but no Coach creed patch or wordmark is visible",
        "photo 4: reverse has a large external pocket and decorative stitching without a visible Coach identifier",
        "photo 5: strap is a thin adjustable cord-style construction, not a typical vintage Coach buckle-adjustable leather strap or detachable dogleash-clip strap",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 3, photo 4: interior shows zip pocket and slip pockets with no creed patch visible on back wall",
        "photo 1, photo 2: closure is an antique-tone swing hook\/hasp latch, not Coach oval turnlock with slim rounded tab",
        "photo 1, photo 2: white contrast stitching and perforated diamond overlay trim - Coach vintage classics use matched thread and plain glove-tanned leather",
        "photo 3, photo 4: interior lined in same black coated material, not unlined suede-back glove-tanned cowhide",
        "photo 5: very thin strap knotted together, not Coach buckle-adjustable or dogleash-clip strap"
    ],
    "missing_information": [
        "photo 3: close-up of every interior wall and pocket seam to confirm whether any small creed or maker label is present",
        "photo 1: close-up of the clasp, including its reverse and any stamps",
        "photo 5: full strap and attachment-point details",
        "photo 1: bottom, side, and corner views",
        "seller-stated dimensions and material composition",
        "creed patch close-up not shown - no stamped leather patch visible in interior views",
        "hardware brand stamps \/ Made-in line not shown",
        "bottom \/ corners \/ side views not shown",
        "full dimensions and material confirmation not provided"
    ],
    "authenticity_concerns": [
        "photo 1: the large decorative clasp and ornamental front panel are lookalike-style cues rather than Coach construction cues",
        "photo 2: no visible Coach identifier accompanies the nonstandard decorative design",
        "photo 1, photo 2: swing-hasp latch hardware is not Coach turnlock geometry and is riveted in a non-Coach configuration",
        "photo 1, photo 2: decorative cut-out diamond overlay with white contrast stitching is inconsistent with vintage Coach classics which are tone-on-tone"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a small flap crossbody or wallet-on-a-strap, but it does not closely match the listed Coach Dinky, Pocket Purse, or Convertible Clutch construction",
        "photo 3: wallet-style interior and absence of a visible creed make a Coach attribution unsupported",
        "photo 1: condition appears Good to Very Good based on surface creasing, glossy wear, and visible scuffing; the interior is shown but maker identification remains unavailable",
        "No Coach model fits: silhouette is a small wallet-on-strap \/ mini crossbody with swing-hasp and decorative cutwork, not a catalog City Bag, Dinky, Court, Willis or other classic",
        "No creed, no wordmark, no hangtag, no solid-brass Coach turnlock, no unlined glove-tanned leather observed",
        "Condition: Good to Very Good for a generic bag; surface wear minimal in photos but bottom\/corners 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: large brass-tone decorative latch with multiple rounded studs and a curved drop element; no Coach engraving visible",
        "leather_description": "photo 1: black glossy leather-like material with decorative embossed or inlaid lower panel; exact material cannot be confirmed",
        "lining_description": "photo 3: black leather-like or synthetic-faced interior with zip and slip compartments; no fabric lining or creed patch visible",
        "strap_construction": "photo 4: long narrow double-cord or narrow leather strap attached to the body; photo 5: looped\/knotted adjustable section visible",
        "stitching_description": "photos 1-4: contrasting light stitching is generally even, with decorative zigzag and diamond-pattern stitching on the front and rear panels"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.35,
                "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 small leather crossbody handbag with a flap and metal closure",
                    "photo 1: leather-like black exterior and brass-tone hardware are compatible with a broad range of vintage handbags"
                ],
                "negative_evidence": [
                    "photo 1: ornate oversized latch\/animal-like clasp is not the elegant rounded Coach turnlock geometry typical of vintage Coach",
                    "photo 1: decorative contrasting stitched and embossed lower panel is unlike the plain, understated construction of common vintage Coach classics",
                    "photo 2: glossy coated-looking leather and decorative motif provide no recognizable Coach identifier",
                    "photo 3: interior is visibly fabric-free or leather-faced with multiple wallet-style compartments, but no Coach creed patch or wordmark is visible",
                    "photo 4: reverse has a large external pocket and decorative stitching without a visible Coach identifier",
                    "photo 5: strap is a thin adjustable cord-style construction, not a typical vintage Coach buckle-adjustable leather strap or detachable dogleash-clip strap"
                ],
                "missing_information": [
                    "photo 3: close-up of every interior wall and pocket seam to confirm whether any small creed or maker label is present",
                    "photo 1: close-up of the clasp, including its reverse and any stamps",
                    "photo 5: full strap and attachment-point details",
                    "photo 1: bottom, side, and corner views",
                    "seller-stated dimensions and material composition"
                ],
                "authenticity_concerns": [
                    "photo 1: the large decorative clasp and ornamental front panel are lookalike-style cues rather than Coach construction cues",
                    "photo 2: no visible Coach identifier accompanies the nonstandard decorative design"
                ],
                "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: large brass-tone decorative latch with multiple rounded studs and a curved drop element; no Coach engraving visible",
                    "leather_description": "photo 1: black glossy leather-like material with decorative embossed or inlaid lower panel; exact material cannot be confirmed",
                    "lining_description": "photo 3: black leather-like or synthetic-faced interior with zip and slip compartments; no fabric lining or creed patch visible",
                    "strap_construction": "photo 4: long narrow double-cord or narrow leather strap attached to the body; photo 5: looped\/knotted adjustable section visible",
                    "stitching_description": "photos 1-4: contrasting light stitching is generally even, with decorative zigzag and diamond-pattern stitching on the front and rear panels"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a small flap crossbody or wallet-on-a-strap, but it does not closely match the listed Coach Dinky, Pocket Purse, or Convertible Clutch construction",
                    "photo 3: wallet-style interior and absence of a visible creed make a Coach attribution unsupported",
                    "photo 1: condition appears Good to Very Good based on surface creasing, glossy wear, and visible scuffing; the interior is shown but maker identification remains unavailable"
                ],
                "confidence": 0.79,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: swing-hasp latch hardware is not Coach turnlock geometry and is riveted in a non-Coach configuration",
                    "photo 1, photo 2: decorative cut-out diamond overlay with white contrast stitching is inconsistent with vintage Coach classics which are tone-on-tone"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "creed patch close-up not shown - no stamped leather patch visible in interior views",
                    "hardware brand stamps \/ Made-in line not shown",
                    "bottom \/ corners \/ side views not shown",
                    "full dimensions and material confirmation not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 3, photo 4: interior shows zip pocket and slip pockets with no creed patch visible on back wall",
                    "photo 1, photo 2: closure is an antique-tone swing hook\/hasp latch, not Coach oval turnlock with slim rounded tab",
                    "photo 1, photo 2: white contrast stitching and perforated diamond overlay trim - Coach vintage classics use matched thread and plain glove-tanned leather",
                    "photo 3, photo 4: interior lined in same black coated material, not unlined suede-back glove-tanned cowhide",
                    "photo 5: very thin strap knotted together, not Coach buckle-adjustable or dogleash-clip strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antique brass-tone swing-hasp \/ hook latch with riveted plates on flap and body; T-shaped keeper visible on back in photo 4; not Coach turnlock geometry, appears plated",
                    "leather_description": "black smooth coated material, slight sheen, with decorative perforated diamond band and zig-zag overlay near bottom; does not show glove-tanned grain or patina",
                    "lining_description": "black smooth lined interior, same coated material throughout; zip pocket and slip pockets visible in photo 3, mirror-like insert on flap",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white \/ light contrast stitching around flap edge, body and decorative bands, even but contrasting - not tone-matched Coach stitching",
                    "strap_construction": "very thin narrow crossbody strap, same black material with edge stitching, shown knotted in photo 5, no buckle or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a small wallet-on-strap \/ mini crossbody with swing-hasp and decorative cutwork, not a catalog City Bag, Dinky, Court, Willis or other classic",
                    "No creed, no wordmark, no hangtag, no solid-brass Coach turnlock, no unlined glove-tanned leather observed",
                    "Condition: Good to Very Good for a generic bag; surface wear minimal in photos but bottom\/corners not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17266,
            "output_tokens": 830,
            "total_tokens": 18096,
            "estimated_cost_usd": 0.008898
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17591,
            "output_tokens": 1488,
            "total_tokens": 19079,
            "estimated_cost_usd": 0.004709
        }
    ]
}