Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.885,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly constructed as a handbag with two handles, shoulder strap, zip-top opening, and multiple exterior pockets",
        "photo 1: leather-like pebbled material and substantial stitched construction are visible",
        "photo 7: attached tag states \"GENUINE COWHIDE LEATHER,\" supporting the seller's material claim but not Coach manufacture"
    ],
    "negative_evidence": [
        "photo 1: no COACH wordmark, horse-and-carriage, or recognizable vintage Coach identifier is visible",
        "photo 1: silver-tone buckles, rivets, and hardware are inconsistent with the solid-brass hardware typical of many classic vintage Coach styles",
        "photo 4: interior appears fabric-lined and uses a modern-looking zipper, not the unlined suede-back construction common to classic glove-tanned Coach bags",
        "photo 7: rectangular utility\/satchel design and extensive exterior pockets do not closely match the listed classic Coach silhouettes",
        "photo 1: attached product tag says only \"Genuine Cowhide Leather\" and does not identify Coach",
        "photo 1: no COACH wordmark, horse-and-carriage, or leather hangtag visible, only generic 'Handcrafted Genuine Leather' store tag",
        "photo 1,3,6: silver-tone buckles, rivets and rings, not vintage Coach solid brass",
        "photo 4,5: dark fabric lining visible, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 1,6: zip-top satchel with center flap pocket, side pockets and decorative buckle straps does not match any Coach catalog silhouette",
        "photo 1,6: pebbled leather with piped seams and multi-panel construction unlike Coach glove-tanned classics",
        "photo 1,6: no turnlock closure of any geometry present"
    ],
    "missing_information": [
        "photo 4-6: interior back wall and all pockets should be photographed empty and straight-on to confirm whether any creed patch or fabric brand tag exists",
        "photo 1: close-up of all zipper pulls and hardware for maker markings",
        "photo 1 and photo 7: bottom, corners, strap attachments, and interior seams are not fully documented",
        "seller-stated dimensions are incomplete; depth and strap drop would help value it",
        "photo 4-5: interior obstructed by books, no clear view of interior walls\/pockets for creed patch - request emptied interior photos",
        "photo 1-6: no creed patch shown - request straight-on interior back-wall photo",
        "photo 1-6: no hardware brand stamps shown - request zipper pull and buckle close-ups"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible despite clear, reasonably detailed exterior and interior photos",
        "The lined construction, silver-tone hardware, and modern utility styling are inconsistent with a typical 1970s-1990s vintage Coach classic",
        "The generic cowhide tag is not a Coach creed, hangtag, or proof of brand"
    ],
    "possible_model_reasoning": [
        "The bag is a medium utility satchel approximately 11 inches wide based on photo 7, but its pocket layout and styling do not provide a credible match to a specific Coach catalog model.",
        "No visible serial or creed supports dating. The fabric lining, silver hardware, and contemporary construction suggest modern production rather than vintage Coach.",
        "Condition: Very Good; exterior appears intact with minor creasing and handling, but the interior is partly obscured and odor, mold, and hidden wear cannot be assessed.",
        "No Coach model fits: silhouette, silver hardware, fabric lining and lack of creed\/wordmark inconsistent with all classic and modern Coach styles",
        "Condition: appears New\/NWOT with store tags attached in photo 1 and photo 6, but interior filled with books so wear cannot be fully graded"
    ],
    "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 and photo 7: silver-tone buckles, rings, rivets, strap hardware, and zip closures; no Coach engraving visible",
        "leather_description": "photo 1 and photo 7: dark navy\/brown pebbled leather or leather-like cowhide with padded, structured panels; exact finish and tanning are not determinable",
        "lining_description": "photo 4 and photo 5: dark fabric lining is visible inside the zip-top compartment; no creed patch is visible",
        "strap_construction": "photo 1-3: two fixed top handles plus a detachable or adjustable shoulder strap with stitched leather tabs and metal rings",
        "stitching_description": "photo 1 and photo 7: generally even machine stitching with multiple padded and bound exterior panels; not characteristic enough to identify Coach"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly constructed as a handbag with two handles, shoulder strap, zip-top opening, and multiple exterior pockets",
                    "photo 1: leather-like pebbled material and substantial stitched construction are visible",
                    "photo 7: attached tag states \"GENUINE COWHIDE LEATHER,\" supporting the seller's material claim but not Coach manufacture"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, or recognizable vintage Coach identifier is visible",
                    "photo 1: silver-tone buckles, rivets, and hardware are inconsistent with the solid-brass hardware typical of many classic vintage Coach styles",
                    "photo 4: interior appears fabric-lined and uses a modern-looking zipper, not the unlined suede-back construction common to classic glove-tanned Coach bags",
                    "photo 7: rectangular utility\/satchel design and extensive exterior pockets do not closely match the listed classic Coach silhouettes",
                    "photo 1: attached product tag says only \"Genuine Cowhide Leather\" and does not identify Coach"
                ],
                "missing_information": [
                    "photo 4-6: interior back wall and all pockets should be photographed empty and straight-on to confirm whether any creed patch or fabric brand tag exists",
                    "photo 1: close-up of all zipper pulls and hardware for maker markings",
                    "photo 1 and photo 7: bottom, corners, strap attachments, and interior seams are not fully documented",
                    "seller-stated dimensions are incomplete; depth and strap drop would help value it"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible despite clear, reasonably detailed exterior and interior photos",
                    "The lined construction, silver-tone hardware, and modern utility styling are inconsistent with a typical 1970s-1990s vintage Coach classic",
                    "The generic cowhide tag is not a Coach creed, hangtag, or proof of brand"
                ],
                "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": true,
                    "hardware_description": "photo 1 and photo 7: silver-tone buckles, rings, rivets, strap hardware, and zip closures; no Coach engraving visible",
                    "leather_description": "photo 1 and photo 7: dark navy\/brown pebbled leather or leather-like cowhide with padded, structured panels; exact finish and tanning are not determinable",
                    "lining_description": "photo 4 and photo 5: dark fabric lining is visible inside the zip-top compartment; no creed patch is visible",
                    "strap_construction": "photo 1-3: two fixed top handles plus a detachable or adjustable shoulder strap with stitched leather tabs and metal rings",
                    "stitching_description": "photo 1 and photo 7: generally even machine stitching with multiple padded and bound exterior panels; not characteristic enough to identify Coach"
                },
                "possible_model_reasoning": [
                    "The bag is a medium utility satchel approximately 11 inches wide based on photo 7, but its pocket layout and styling do not provide a credible match to a specific Coach catalog model.",
                    "No visible serial or creed supports dating. The fabric lining, silver hardware, and contemporary construction suggest modern production rather than vintage Coach.",
                    "Condition: Very Good; exterior appears intact with minor creasing and handling, but the interior is partly obscured and odor, mold, and hidden wear cannot be assessed."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 4-5: interior obstructed by books, no clear view of interior walls\/pockets for creed patch - request emptied interior photos",
                    "photo 1-6: no creed patch shown - request straight-on interior back-wall photo",
                    "photo 1-6: no hardware brand stamps shown - request zipper pull and buckle close-ups"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, or leather hangtag visible, only generic 'Handcrafted Genuine Leather' store tag",
                    "photo 1,3,6: silver-tone buckles, rivets and rings, not vintage Coach solid brass",
                    "photo 4,5: dark fabric lining visible, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 1,6: zip-top satchel with center flap pocket, side pockets and decorative buckle straps does not match any Coach catalog silhouette",
                    "photo 1,6: pebbled leather with piped seams and multi-panel construction unlike Coach glove-tanned classics",
                    "photo 1,6: no turnlock closure of any geometry present"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle straps, dome rivets, strap rings and top zipper; bright plated tone, not solid brass; no COACH stamping visible",
                    "leather_description": "dark navy pebbled leather in photos 1-5 and brown pebbled leather in photo 6, soft pebbled grain, not smooth glove-tanned cowhide",
                    "lining_description": "dark fabric lining visible in photos 4-5 around books, appears synthetic; interior pocket details obscured",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight stitching matching leather color on front pocket and trim, visible in photos 1,3,6",
                    "strap_construction": "double fixed short shoulder straps attached with rings and rivets, plus decorative buckle-adjust faux straps on front; no dogleash clips or wooden dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, silver hardware, fabric lining and lack of creed\/wordmark inconsistent with all classic and modern Coach styles",
                    "Condition: appears New\/NWOT with store tags attached in photo 1 and photo 6, but interior filled with books so wear cannot be fully graded"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25711,
            "output_tokens": 979,
            "total_tokens": 26690,
            "estimated_cost_usd": 0.012634
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27005,
            "output_tokens": 1527,
            "total_tokens": 28532,
            "estimated_cost_usd": 0.006623
        }
    ]
}