Vintage Coach Hunter

{
    "is_handbag_probability": 0.955,
    "coach_probability": 0.03,
    "vintage_probability": 0.19,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.86,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather flap handbag or clutch with substantial stitched construction.",
        "photo 3: zipper pull is visibly marked with a non-Coach-looking stamp, appearing to read RIRI or similar.",
        "photo 5: the bag has a prominent embossed geometric H-style logo rather than a visible Coach wordmark, carriage, or creed.",
        "photo 1,3,6: genuine leather handbag\/clutch form with ruler scale ~12-13 in wide",
        "photo 1,2: tone-matched stitching, folded leather construction"
    ],
    "negative_evidence": [
        "photo 1: prominent embossed H-style logo is inconsistent with the standard Coach identifiers visible on vintage Coach bags.",
        "photo 1: closure is a leather loop-and-tab design, not a Coach turnlock.",
        "photo 1: no Coach wordmark, horse-and-carriage, or leather hangtag is visible.",
        "photo 5: interior appears to use a shiny brown fabric or synthetic lining, which does not support a classic unlined glove-tanned Coach construction.",
        "photo 3: rear zipper hardware is dark\/plated rather than the solid brass hardware commonly associated with classic vintage Coach.",
        "photo 2: stitching and leather construction appear generic and do not establish Coach manufacture.",
        "photo 1,5: large embossed boxed 'H' logo on body - not a Coach wordmark, carriage, or creed",
        "photo 3,4: exterior back zipper with 'FUJI' stamped pull - not Talon\/YKK\/Risi\/Ziplon vintage Coach zipper",
        "photo 1,2,6: soft knot-and-loop flap closure with no brass turnlock - inconsistent with vintage Coach classic closures",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,2,6: silhouette (foldover clutch with center knot) does not match any catalog Coach classic style"
    ],
    "missing_information": [
        "photo 6: full interior emptied, including all pockets, seams, and labels.",
        "photo 6: any interior brand label or creed patch close-up.",
        "photo 6: complete front, back, sides, bottom, and strap\/attachment views.",
        "photo 6: close-up of the zipper pull and any other hardware markings.",
        "photo 6: seller-stated dimensions and whether a detachable or missing strap is included.",
        "photo of emptied interior and any interior brand patch or fabric tag (photo 1-6: no interior shown)",
        "photo of bottom and side seams for construction check",
        "confirmation of any COACH wordmark, creed patch, or hangtag - none visible in provided photos"
    ],
    "authenticity_concerns": [
        "photo 1: the embossed H-style emblem suggests another maker or an unbranded lookalike rather than Coach.",
        "photo 3: visible zipper branding does not match the expected identifiers for a classic vintage Coach bag.",
        "photo 5: shiny lining and the overall construction are inconsistent with the classic unlined Coach styles that this silhouette might otherwise resemble."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a small rectangular flap clutch\/shoulder-bag body with a central leather loop closure, but it does not closely establish a listed Coach model.",
        "photo 1: the embossed H-style emblem and lack of Coach identifiers make a Coach model assignment inappropriate.",
        "Condition: Good; visible scratches, creasing, surface scuffs, and worn\/distorted areas are present in photos 1, 3, and 5; strap condition and complete interior are unknown.",
        "No Coach model fits: knot closure, H-logo embossing, and FUJI zipper are inconsistent with all classic-era catalog styles (City Bag 9790, Willis 9927, Court 9870, Dinky 9375, etc.)",
        "Condition: Good; surface scratches\/scuffs on front and back (photo 1,3), soft slouching, but no tears or corner wear-through visible; interior and odor unknown 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: leather loop-and-tab closure with no visible metal turnlock. photo 3: dark zipper hardware and a stamped zipper pull, apparently reading RIRI or similar.",
        "leather_description": "photo 1: brown\/taupe smooth leather with a soft sheen, visible creasing, scratches, and handling wear; exact leather type not determinable.",
        "lining_description": "photo 5: shiny dark-brown fabric or synthetic lining is visible; no label or creed is visible.",
        "strap_construction": "no shoulder strap or handle - foldover clutch \/ wristlet form; small knotted leather tab closure (photo 1,2,6)",
        "stitching_description": "photos 1-2: generally even tonal machine stitching around the flap and body, with some visible wear and distortion; no Coach-specific construction feature established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.04,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather flap handbag or clutch with substantial stitched construction.",
                    "photo 3: zipper pull is visibly marked with a non-Coach-looking stamp, appearing to read RIRI or similar.",
                    "photo 5: the bag has a prominent embossed geometric H-style logo rather than a visible Coach wordmark, carriage, or creed."
                ],
                "negative_evidence": [
                    "photo 1: prominent embossed H-style logo is inconsistent with the standard Coach identifiers visible on vintage Coach bags.",
                    "photo 1: closure is a leather loop-and-tab design, not a Coach turnlock.",
                    "photo 1: no Coach wordmark, horse-and-carriage, or leather hangtag is visible.",
                    "photo 5: interior appears to use a shiny brown fabric or synthetic lining, which does not support a classic unlined glove-tanned Coach construction.",
                    "photo 3: rear zipper hardware is dark\/plated rather than the solid brass hardware commonly associated with classic vintage Coach.",
                    "photo 2: stitching and leather construction appear generic and do not establish Coach manufacture."
                ],
                "missing_information": [
                    "photo 6: full interior emptied, including all pockets, seams, and labels.",
                    "photo 6: any interior brand label or creed patch close-up.",
                    "photo 6: complete front, back, sides, bottom, and strap\/attachment views.",
                    "photo 6: close-up of the zipper pull and any other hardware markings.",
                    "photo 6: seller-stated dimensions and whether a detachable or missing strap is included."
                ],
                "authenticity_concerns": [
                    "photo 1: the embossed H-style emblem suggests another maker or an unbranded lookalike rather than Coach.",
                    "photo 3: visible zipper branding does not match the expected identifiers for a classic vintage Coach bag.",
                    "photo 5: shiny lining and the overall construction are inconsistent with the classic unlined Coach styles that this silhouette might otherwise resemble."
                ],
                "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: leather loop-and-tab closure with no visible metal turnlock. photo 3: dark zipper hardware and a stamped zipper pull, apparently reading RIRI or similar.",
                    "leather_description": "photo 1: brown\/taupe smooth leather with a soft sheen, visible creasing, scratches, and handling wear; exact leather type not determinable.",
                    "lining_description": "photo 5: shiny dark-brown fabric or synthetic lining is visible; no label or creed is visible.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photos 1-2: generally even tonal machine stitching around the flap and body, with some visible wear and distortion; no Coach-specific construction feature established."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a small rectangular flap clutch\/shoulder-bag body with a central leather loop closure, but it does not closely establish a listed Coach model.",
                    "photo 1: the embossed H-style emblem and lack of Coach identifiers make a Coach model assignment inappropriate.",
                    "Condition: Good; visible scratches, creasing, surface scuffs, and worn\/distorted areas are present in photos 1, 3, and 5; strap condition and complete interior are unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of emptied interior and any interior brand patch or fabric tag (photo 1-6: no interior shown)",
                    "photo of bottom and side seams for construction check",
                    "confirmation of any COACH wordmark, creed patch, or hangtag - none visible in provided photos"
                ],
                "negative_evidence": [
                    "photo 1,5: large embossed boxed 'H' logo on body - not a Coach wordmark, carriage, or creed",
                    "photo 3,4: exterior back zipper with 'FUJI' stamped pull - not Talon\/YKK\/Risi\/Ziplon vintage Coach zipper",
                    "photo 1,2,6: soft knot-and-loop flap closure with no brass turnlock - inconsistent with vintage Coach classic closures",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,2,6: silhouette (foldover clutch with center knot) does not match any catalog Coach classic style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock, buckle, or D-rings visible; only hardware is dark-tone back-wall zipper with FUJI-stamped pull (photo 4)",
                    "leather_description": "medium-brown smooth soft leather with sheen, surface scratches and scuffs (photo 1,3); not the matte glove-tanned full-grain with suede back typical of vintage Coach classics",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even tone-matched edge stitching around flap (photo 1,2); no mismatched thread visible",
                    "strap_construction": "no shoulder strap or handle - foldover clutch \/ wristlet form; small knotted leather tab closure (photo 1,2,6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,3,6: genuine leather handbag\/clutch form with ruler scale ~12-13 in wide",
                    "photo 1,2: tone-matched stitching, folded leather construction"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: knot closure, H-logo embossing, and FUJI zipper are inconsistent with all classic-era catalog styles (City Bag 9790, Willis 9927, Court 9870, Dinky 9375, etc.)",
                    "Condition: Good; surface scratches\/scuffs on front and back (photo 1,3), soft slouching, but no tears or corner wear-through visible; interior and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28768,
            "output_tokens": 880,
            "total_tokens": 29648,
            "estimated_cost_usd": 0.013619
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30080,
            "output_tokens": 1127,
            "total_tokens": 31207,
            "estimated_cost_usd": 0.006918
        }
    ]
}