Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.615,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.785,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: two clearly recognizable structured handbags with top handles and detachable-looking shoulder straps."
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
        "photo 1: silver-tone hardware and snap closures appear modern rather than the solid brass turnlock hardware typical of many vintage Coach classics.",
        "photo 1: pebbled black material and symmetrical flap design look like a contemporary generic handbag construction.",
        "photo 1: listing identifies the seller brand as unbranded and provides no Coach-specific details.",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible on either bag",
        "photo 1: closure is small round snap\/button under notched flap, not Coach brass turnlock geometry",
        "photo 1: silver-tone dogleash clips and hardware, not vintage solid brass",
        "photo 1: black pebbled-grain material with sharp structured shape and painted-looking edges, not vintage glove-tanned cowhide with suede-back unlined interior",
        "photo 1: top-handle + detachable crossbody mini-satchel silhouette does not match catalog vintage Coach classics (Willis, Court, Station, Dinky, City Bag)"
    ],
    "missing_information": [
        "Interior view, including the back wall, pockets, labels, and any creed patch.",
        "Close-up photographs of all hardware, zipper pulls, strap attachments, and hangtags.",
        "Bottom, side, back, and corner views of each bag.",
        "Material composition and dimensions; the photo alone does not establish whether the material is leather or synthetic.",
        "photo 1 only shows exterior front view of two bags; no interior, creed, bottom, back, or hardware close-ups",
        "creed patch not shown - request straight-on interior back wall \/ slip pocket photo",
        "lining, zipper brand, and hardware engravings not visible",
        "seller-stated dimensions, materials, and strap details not provided"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, so the bags cannot be supported as Coach products and appear to be generic modern bags rather than vintage Coach.",
        "photo 1: the staged presentation shows two similar bags but provides no close-up construction or provenance evidence."
    ],
    "possible_model_reasoning": [
        "photo 1: the structured flap, top handles, and shoulder straps fit a modern generic handbag silhouette, not a specific identifiable vintage Coach model.",
        "photo 1: no visible creed or serial permits Coach-era dating; the modern silver-tone hardware and pebbled appearance support the era assessment of modern non-Coach.",
        "Condition cannot be reliably graded because only a staged exterior view is provided; interior, bottom, corners, and odor are unknown.",
        "No Coach model fits: shape is modern structured top-handle crossbody with snap closure, not a catalog vintage Coach flap-turnlock, bucket, or duffle; no identifiers to decode",
        "Condition cannot be graded for resale as Coach; exterior in photo 1 looks new\/unused but only one staged exterior view provided"
    ],
    "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: silver-tone strap clips and small round snap closures; no visible Coach engraving. Other hardware details are not visible.",
        "leather_description": "photo 1: black pebbled-looking exterior; leather versus synthetic material is not determinable from the image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: narrow detachable-looking shoulder straps attached with silver-tone clips; strap length and construction are not fully shown.",
        "stitching_description": "photo 1: exterior seams appear machine-stitched and generally even, but close-up stitching quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.68,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: two clearly recognizable structured handbags with top handles and detachable-looking shoulder straps."
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
                    "photo 1: silver-tone hardware and snap closures appear modern rather than the solid brass turnlock hardware typical of many vintage Coach classics.",
                    "photo 1: pebbled black material and symmetrical flap design look like a contemporary generic handbag construction.",
                    "photo 1: listing identifies the seller brand as unbranded and provides no Coach-specific details."
                ],
                "missing_information": [
                    "Interior view, including the back wall, pockets, labels, and any creed patch.",
                    "Close-up photographs of all hardware, zipper pulls, strap attachments, and hangtags.",
                    "Bottom, side, back, and corner views of each bag.",
                    "Material composition and dimensions; the photo alone does not establish whether the material is leather or synthetic."
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, so the bags cannot be supported as Coach products and appear to be generic modern bags rather than vintage Coach.",
                    "photo 1: the staged presentation shows two similar bags but provides no close-up construction or provenance evidence."
                ],
                "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: silver-tone strap clips and small round snap closures; no visible Coach engraving. Other hardware details are not visible.",
                    "leather_description": "photo 1: black pebbled-looking exterior; leather versus synthetic material is not determinable from the image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: narrow detachable-looking shoulder straps attached with silver-tone clips; strap length and construction are not fully shown.",
                    "stitching_description": "photo 1: exterior seams appear machine-stitched and generally even, but close-up stitching quality is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: the structured flap, top handles, and shoulder straps fit a modern generic handbag silhouette, not a specific identifiable vintage Coach model.",
                    "photo 1: no visible creed or serial permits Coach-era dating; the modern silver-tone hardware and pebbled appearance support the era assessment of modern non-Coach.",
                    "Condition cannot be reliably graded because only a staged exterior view is provided; interior, bottom, corners, and odor are unknown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1 only shows exterior front view of two bags; no interior, creed, bottom, back, or hardware close-ups",
                    "creed patch not shown - request straight-on interior back wall \/ slip pocket photo",
                    "lining, zipper brand, and hardware engravings not visible",
                    "seller-stated dimensions, materials, and strap details not provided"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible on either bag",
                    "photo 1: closure is small round snap\/button under notched flap, not Coach brass turnlock geometry",
                    "photo 1: silver-tone dogleash clips and hardware, not vintage solid brass",
                    "photo 1: black pebbled-grain material with sharp structured shape and painted-looking edges, not vintage glove-tanned cowhide with suede-back unlined interior",
                    "photo 1: top-handle + detachable crossbody mini-satchel silhouette does not match catalog vintage Coach classics (Willis, Court, Station, Dinky, City Bag)"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone round snap\/button on flap front; silver-tone dogleash\/lobster clips for detachable shoulder strap; top handles; no brass, no turnlock, no engravings visible",
                    "leather_description": "black pebbled-grain material, uniform matte finish; appears modern coated\/embossed leather or synthetic, not vintage glove-tanned patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edges appear clean\/painted, no visible contrast stitching",
                    "strap_construction": "short top handle plus detachable long crossbody strap on metal clips; buckle adjustment not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: shape is modern structured top-handle crossbody with snap closure, not a catalog vintage Coach flap-turnlock, bucket, or duffle; no identifiers to decode",
                    "Condition cannot be graded for resale as Coach; exterior in photo 1 looks new\/unused but only one staged exterior view provided"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15842,
            "output_tokens": 756,
            "total_tokens": 16598,
            "estimated_cost_usd": 0.008151
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16160,
            "output_tokens": 1172,
            "total_tokens": 17332,
            "estimated_cost_usd": 0.00417
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    ]
}