Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.885,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: modern slouchy chain-strap shoulder bag with a decorative rectangular bar clasp, unlike the documented vintage Coach turnlock geometry.",
        "photo 3: large bright chain and clasp hardware appear fashion-bag styling rather than classic Coach construction.",
        "photo 6: fabric-lined multi-compartment interior and zippered organizer are inconsistent with many classic unlined glove-tanned Coach silhouettes.",
        "photo 4: listing image labels the chain as detachable and shows no Coach-marked hardware or logo.",
        "photos 1-6: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
        "photos 1-6: polished studio\/catalog imagery and generic marketing language support a contemporary unbranded fashion bag rather than a vintage secondhand Coach item.",
        "photo 1, photo 2, photo 3: closure is narrow ribbed rectangular bar\/tab, not Coach Cashin turnlock geometry",
        "photo 6: fully fabric-lined interior with center zip compartment, not unlined suede-back glove-tanned classic construction",
        "photo 1, photo 2, photo 3, photo 6: thick gold-tone curb chain detachable shoulder strap, not vintage Coach brass dogleash \/ buckle-adjust leather strap",
        "photo 1-6: catalog \/ stock-style new-product images with dimension graphics and marketing text overlays, no creed, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 5: uniformly smooth soft nappa-like taupe leather with sheen, not matte glove-tanned full-grain with natural scars\/veins",
        "photo 2: modern slouchy soft flap silhouette 29x21x10cm with no catalog match to vintage Coach City Bag, Willis, Court, Station, Dinky"
    ],
    "missing_information": [
        "Straight-on photo of the interior back wall and every pocket, including any leather creed or fabric brand tag.",
        "Close-up photos of all hardware, zipper pulls, chain attachments, and clasp.",
        "Photos of the bottom, corners, side seams, strap ends, and underside of the flap.",
        "Seller-stated material confirmation; the photos alone do not establish genuine cowhide leather.",
        "no creed patch shown in any photo - photo 6 interior shows fabric lining with no stamped leather patch visible",
        "no exterior back \/ bottom \/ hardware stamp close-ups beyond chain and clasp",
        "no hangtag or wordmark detail - none visible but catalog images only"
    ],
    "authenticity_concerns": [
        "photo 3: the rectangular ribbed clasp is not a recognizable vintage Coach turnlock and is a lookalike\/fashion-bag cue.",
        "photos 1-6: the bag has no visible Coach identifiers despite extensive exterior and interior coverage.",
        "photo 6: the modern lined organizer construction and chain design do not consistently match the classic vintage Coach catalog construction."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the silhouette, chain strap, central bar clasp, and organized fabric-lined interior are generic contemporary features rather than a documented classic Coach style.",
        "Era assessment: modern (2000s+) based on the catalog-style presentation, bright chain hardware, synthetic-looking uniform finish, and modern compartment layout.",
        "Condition: not gradable with confidence because these are apparently promotional images rather than detailed used-item photos; visible exterior appears clean, but wear, odor, corners, and lining condition are not established.",
        "no Coach model fits: soft unstructured flap with bar clasp and chain strap does not match Willis (9927), Court (9870), Station (5130), City Bag (9790), Dinky (9375) or other classics in closure, strap and lining",
        "era reasoning: fabric lining, plated chain hardware, modern bar hardware and new catalog presentation indicate current fast-fashion production, hence modern (2000s+), non-Coach",
        "Condition: New catalog product; no wear visible in photos 1-3, 6, appears unused"
    ],
    "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 3: bright gold-tone chunky chain and a narrow ribbed rectangular bar clasp; no Coach engraving visible.",
        "leather_description": "photos 1, 2, 5: smooth, evenly finished taupe-brown material with fine uniform grain; seller calls it cowhide, but genuine leather cannot be confirmed from these photos.",
        "lining_description": "photo 6: light fabric-lined interior with multiple compartments and zipper sections; no brand label or creed visible.",
        "strap_construction": "photos 1-4, 6: detachable gold-tone chain strap attached through side rings; no leather shoulder strap visible.",
        "stitching_description": "photos 1-3: regular machine stitching around the flap and body, generally even; construction appears contemporary."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: modern slouchy chain-strap shoulder bag with a decorative rectangular bar clasp, unlike the documented vintage Coach turnlock geometry.",
                    "photo 3: large bright chain and clasp hardware appear fashion-bag styling rather than classic Coach construction.",
                    "photo 6: fabric-lined multi-compartment interior and zippered organizer are inconsistent with many classic unlined glove-tanned Coach silhouettes.",
                    "photo 4: listing image labels the chain as detachable and shows no Coach-marked hardware or logo.",
                    "photos 1-6: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
                    "photos 1-6: polished studio\/catalog imagery and generic marketing language support a contemporary unbranded fashion bag rather than a vintage secondhand Coach item."
                ],
                "missing_information": [
                    "Straight-on photo of the interior back wall and every pocket, including any leather creed or fabric brand tag.",
                    "Close-up photos of all hardware, zipper pulls, chain attachments, and clasp.",
                    "Photos of the bottom, corners, side seams, strap ends, and underside of the flap.",
                    "Seller-stated material confirmation; the photos alone do not establish genuine cowhide leather."
                ],
                "authenticity_concerns": [
                    "photo 3: the rectangular ribbed clasp is not a recognizable vintage Coach turnlock and is a lookalike\/fashion-bag cue.",
                    "photos 1-6: the bag has no visible Coach identifiers despite extensive exterior and interior coverage.",
                    "photo 6: the modern lined organizer construction and chain design do not consistently match the classic vintage Coach catalog construction."
                ],
                "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 3: bright gold-tone chunky chain and a narrow ribbed rectangular bar clasp; no Coach engraving visible.",
                    "leather_description": "photos 1, 2, 5: smooth, evenly finished taupe-brown material with fine uniform grain; seller calls it cowhide, but genuine leather cannot be confirmed from these photos.",
                    "lining_description": "photo 6: light fabric-lined interior with multiple compartments and zipper sections; no brand label or creed visible.",
                    "strap_construction": "photos 1-4, 6: detachable gold-tone chain strap attached through side rings; no leather shoulder strap visible.",
                    "stitching_description": "photos 1-3: regular machine stitching around the flap and body, generally even; construction appears contemporary."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the silhouette, chain strap, central bar clasp, and organized fabric-lined interior are generic contemporary features rather than a documented classic Coach style.",
                    "Era assessment: modern (2000s+) based on the catalog-style presentation, bright chain hardware, synthetic-looking uniform finish, and modern compartment layout.",
                    "Condition: not gradable with confidence because these are apparently promotional images rather than detailed used-item photos; visible exterior appears clean, but wear, odor, corners, and lining condition are not established."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 10,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch shown in any photo - photo 6 interior shows fabric lining with no stamped leather patch visible",
                    "no exterior back \/ bottom \/ hardware stamp close-ups beyond chain and clasp",
                    "no hangtag or wordmark detail - none visible but catalog images only"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: closure is narrow ribbed rectangular bar\/tab, not Coach Cashin turnlock geometry",
                    "photo 6: fully fabric-lined interior with center zip compartment, not unlined suede-back glove-tanned classic construction",
                    "photo 1, photo 2, photo 3, photo 6: thick gold-tone curb chain detachable shoulder strap, not vintage Coach brass dogleash \/ buckle-adjust leather strap",
                    "photo 1-6: catalog \/ stock-style new-product images with dimension graphics and marketing text overlays, no creed, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 5: uniformly smooth soft nappa-like taupe leather with sheen, not matte glove-tanned full-grain with natural scars\/veins",
                    "photo 2: modern slouchy soft flap silhouette 29x21x10cm with no catalog match to vintage Coach City Bag, Willis, Court, Station, Dinky"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone chunky curb chain strap with round rings and ribbed rectangular bar flap clasp; modern plated appearance, not solid vintage brass turnlock",
                    "leather_description": "smooth taupe \/ khaki soft cowhide-like leather with uniform grain and soft slouch, satin sheen in photos 1-3 and 5",
                    "lining_description": "beige \/ taupe fabric lining visible in photo 6 with interior zip compartment and slip pockets, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even tone-matched edge stitching visible on flap and body in photos 1-3, no mismatched thread visible",
                    "strap_construction": "detachable chunky gold-tone chain shoulder strap attached via metal rings, no leather buckle-adjust shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach model fits: soft unstructured flap with bar clasp and chain strap does not match Willis (9927), Court (9870), Station (5130), City Bag (9790), Dinky (9375) or other classics in closure, strap and lining",
                    "era reasoning: fabric lining, plated chain hardware, modern bar hardware and new catalog presentation indicate current fast-fashion production, hence modern (2000s+), non-Coach",
                    "Condition: New catalog product; no wear visible in photos 1-3, 6, appears unused"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19989,
            "output_tokens": 865,
            "total_tokens": 20854,
            "estimated_cost_usd": 0.010072
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20528,
            "output_tokens": 1330,
            "total_tokens": 21858,
            "estimated_cost_usd": 0.00517
        }
    ]
}