Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.86,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather crossbody handbag with a brown leather exterior and substantial stitched construction",
        "photo 3: brass-tone buckle hardware and visible natural-looking leather surface"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch",
        "photo 3: front closure is a decorative buckle and strap rather than a recognizable vintage Coach turnlock",
        "photo 4: bright green fabric lining and multiple zippered compartments are not characteristic of classic unlined glove-tanned Coach styles",
        "photo 3: silhouette and decorative flap treatment appear generic\/handmade rather than a clearly identifiable Coach catalog model",
        "listing text: seller identifies the item as unbranded and handmade\/vintage style, which provides no meaningful Coach evidence",
        "photo 3,6: buckle-and-strap flap closure, not Coach turnlock geometry",
        "photo 4: bright green fabric lining with zip compartments, not unlined glove-tanned suede-back interior of vintage classics",
        "photo 3,5,6: saddle-shaped flap with leaf-tip buckle strap and contrast tan stitching; no match to catalog City Bag, Court, Station, Willis, Dinky silhouettes",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 4: modern coil zippers with light-color pulls in main compartment"
    ],
    "missing_information": [
        "photo 4: interior back wall and every pocket should be shown clearly to confirm whether any Coach creed or fabric tag exists",
        "photo 3: close-up of all hardware, zipper pulls, and strap attachments",
        "photo 6: close-up of the bottom, corners, and stitching",
        "seller-stated dimensions and country\/manufacturer information",
        "photo 4: interior shown but no creed patch visible; close-up of any interior leather patch or fabric tags still absent",
        "photo 3,6: no COACH wordmark, horse-and-carriage, or hangtag visible; hardware engravings not shown",
        "photo 4: zipper pull brand stamps not legible"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, so the bag is more consistent with an unbranded leather lookalike than a Coach product",
        "photo 4: lined construction and contemporary multi-compartment zipper layout are inconsistent with many classic vintage Coach flap crossbody models"
    ],
    "possible_model_reasoning": [
        "The flap, buckle strap, rounded body, and exterior pocket styling do not closely establish a specific Coach model; no Coach style number is visible.",
        "The bright fabric-lined interior and buckle closure favor a modern unbranded leather crossbody over a classic 1970s\u20131990s Coach model.",
        "Condition: Good to Very Good based on visible surface creasing and rubbing\/variation on the leather; corners, interior wear, odor, and strap fold condition are incompletely documented.",
        "No Coach identifier visible in any of 6 photos despite clear front, back, and open interior views",
        "Construction (buckle flap, fabric lining, contrast stitching, modern zippers) inconsistent with 1970s-1990s glove-tanned Coach classics",
        "Seller text states Handmade Vintage Style Unbranded with no Coach claim and no serial; consistent with photos",
        "Condition: Like New \/ Mint appearance; clean leather, no corner wear shown (photo 5 back), interior clean (photo 4); bottom and strap details not shown so 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 3: brass-tone rectangular buckle with a central leather strap; small metal strap fittings visible; no Coach engraving legible",
        "leather_description": "photos 1, 3, 5, 6: brown smooth-to-moderately textured leather with visible creasing, surface variation, and edge wear; exact leather type not determinable",
        "lining_description": "photo 4: bright green fabric lining with several zippered compartments; material composition and condition not fully determinable",
        "strap_construction": "photos 1, 2, 3: long adjustable leather shoulder strap attached at side hardware; buckle\/attachment details visible but strap underside and full length are not shown",
        "stitching_description": "photos 3, 5, 6: generally even double-row decorative stitching around flap and body; some areas are obscured or too small to assess closely"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather crossbody handbag with a brown leather exterior and substantial stitched construction",
                    "photo 3: brass-tone buckle hardware and visible natural-looking leather surface"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch",
                    "photo 3: front closure is a decorative buckle and strap rather than a recognizable vintage Coach turnlock",
                    "photo 4: bright green fabric lining and multiple zippered compartments are not characteristic of classic unlined glove-tanned Coach styles",
                    "photo 3: silhouette and decorative flap treatment appear generic\/handmade rather than a clearly identifiable Coach catalog model",
                    "listing text: seller identifies the item as unbranded and handmade\/vintage style, which provides no meaningful Coach evidence"
                ],
                "missing_information": [
                    "photo 4: interior back wall and every pocket should be shown clearly to confirm whether any Coach creed or fabric tag exists",
                    "photo 3: close-up of all hardware, zipper pulls, and strap attachments",
                    "photo 6: close-up of the bottom, corners, and stitching",
                    "seller-stated dimensions and country\/manufacturer information"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, so the bag is more consistent with an unbranded leather lookalike than a Coach product",
                    "photo 4: lined construction and contemporary multi-compartment zipper layout are inconsistent with many classic vintage Coach flap crossbody models"
                ],
                "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: brass-tone rectangular buckle with a central leather strap; small metal strap fittings visible; no Coach engraving legible",
                    "leather_description": "photos 1, 3, 5, 6: brown smooth-to-moderately textured leather with visible creasing, surface variation, and edge wear; exact leather type not determinable",
                    "lining_description": "photo 4: bright green fabric lining with several zippered compartments; material composition and condition not fully determinable",
                    "strap_construction": "photos 1, 2, 3: long adjustable leather shoulder strap attached at side hardware; buckle\/attachment details visible but strap underside and full length are not shown",
                    "stitching_description": "photos 3, 5, 6: generally even double-row decorative stitching around flap and body; some areas are obscured or too small to assess closely"
                },
                "possible_model_reasoning": [
                    "The flap, buckle strap, rounded body, and exterior pocket styling do not closely establish a specific Coach model; no Coach style number is visible.",
                    "The bright fabric-lined interior and buckle closure favor a modern unbranded leather crossbody over a classic 1970s\u20131990s Coach model.",
                    "Condition: Good to Very Good based on visible surface creasing and rubbing\/variation on the leather; corners, interior wear, odor, and strap fold condition are incompletely documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 12,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "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": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior shown but no creed patch visible; close-up of any interior leather patch or fabric tags still absent",
                    "photo 3,6: no COACH wordmark, horse-and-carriage, or hangtag visible; hardware engravings not shown",
                    "photo 4: zipper pull brand stamps not legible"
                ],
                "negative_evidence": [
                    "photo 3,6: buckle-and-strap flap closure, not Coach turnlock geometry",
                    "photo 4: bright green fabric lining with zip compartments, not unlined glove-tanned suede-back interior of vintage classics",
                    "photo 3,5,6: saddle-shaped flap with leaf-tip buckle strap and contrast tan stitching; no match to catalog City Bag, Court, Station, Willis, Dinky silhouettes",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 4: modern coil zippers with light-color pulls in main compartment"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone \/ antiqued buckle on front strap; zipper sliders in interior photo 4; no turnlock, no dogleash clips, no engravings legible",
                    "leather_description": "medium-brown distressed smooth leather with mottled patina, flap and body; not verified as glove-tanned",
                    "lining_description": "photo 4: bright green \/ lime fabric lining in main and zip compartments",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting light tan stitching around flap and front pocket edges, even but high-contrast vs tone-on-tone Coach classics",
                    "strap_construction": "wide flat brown leather crossbody strap, fixed length in photos, attached directly to body sides; no buckle-adjustment or dogleash clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos despite clear front, back, and open interior views",
                    "Construction (buckle flap, fabric lining, contrast stitching, modern zippers) inconsistent with 1970s-1990s glove-tanned Coach classics",
                    "Seller text states Handmade Vintage Style Unbranded with no Coach claim and no serial; consistent with photos",
                    "Condition: Like New \/ Mint appearance; clean leather, no corner wear shown (photo 5 back), interior clean (photo 4); bottom and strap details not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20352,
            "output_tokens": 824,
            "total_tokens": 21176,
            "estimated_cost_usd": 0.010118
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21231,
            "output_tokens": 1331,
            "total_tokens": 22562,
            "estimated_cost_usd": 0.005311
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}