Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag\/tote with handles, zipper closure, and detachable shoulder strap.",
        "photo 1: a small rectangular exterior badge is visible, but its lettering is not legible and it does not visibly identify Coach."
    ],
    "negative_evidence": [
        "photo 1: listing imagery and seller text identify the material as vegan\/PU leather, which is inconsistent with the classic vintage Coach population.",
        "photo 1: silver-tone hardware and a heavily pocketed modern utility-tote design do not match a recognizable vintage Coach classic.",
        "photo 2: exterior panels and pockets show no legible Coach wordmark, horse-and-carriage, or distinctive Coach identifier.",
        "photo 4: interior is visibly fabric-lined, with multiple compartments; no Coach creed patch is visible.",
        "photo 1: the listing explicitly says brand new and unbranded, and the supplied images appear promotional\/product images rather than detailed authenticity photographs.",
        "photo 1-4: high-quality PU \/ vegan leather stated by seller and synthetic pebbled appearance, not glove-tanned cowhide - coach_probability <=0.05 per procedure",
        "photo 1-4: silver-tone \/ nickel plated zipper, snaps, buckle and clips, not solid brass vintage hardware",
        "photo 4: fully lined brown tear-resistant fabric interior with multiple compartments, not unlined suede-back classic construction",
        "photo 1-2: zip-top multi-pocket hobo tote with exterior zip and snap pockets and riveted handles - no catalog Coach silhouette, closure, or turnlock",
        "photo 1-5: brand new mass-produced tote with detachable adjustable crossbody strap, inconsistent with vintage Coach construction"
    ],
    "missing_information": [
        "photo 1-5: no straight-on close-up of the exterior badge or any interior brand label.",
        "photo 4: no close-up of the entire interior back wall, slip pockets, or seams where a creed or fabric tag might be located.",
        "photo 3: no readable close-up of zipper pulls, hardware engravings, or strap attachments.",
        "photo 2-5: no natural-light condition photographs; images are product\/promotional renderings.",
        "No creed patch shown - request interior back wall \/ slip pocket close-up in raking light (photos show only fabric lining, no leather patch)",
        "No Coach wordmark, hangtag, or hardware engraving visible - request close-ups if claimed",
        "No zipper brand stamp visible",
        "Seller stock\/catalog graphics, not actual item photos - request real photos of offered bag"
    ],
    "authenticity_concerns": [
        "photo 1 and listing text: stated PU\/vegan construction is a strong non-Coach signal for a purported vintage Coach bag.",
        "photo 1: the small badge appears generic or unverified rather than a visibly legible Coach wordmark; its text cannot be authenticated from the image.",
        "photo 4: modern synthetic-looking lining and utility construction are inconsistent with a classic glove-tanned vintage Coach model."
    ],
    "possible_model_reasoning": [
        "The silhouette is a large modern multi-pocket hobo\/tote, not a recognizable vintage Coach City Bag, Willis, Court, Station, or Dinky.",
        "No visible creed, serial\/style number, Coach wordmark, or horse-and-carriage identifier supports a Coach model attribution.",
        "Condition appears new based on the listing and promotional photos, but interior and hardware authenticity details are not adequately documented.",
        "No Coach model fits: zip-top multi-pocket synthetic tote with silver hardware and fabric lining matches modern fast-fashion tote, not City Bag, Willis, Court, Station or other classics",
        "Era reasoning: PU vegan leather + nickel hardware + fabric lining + new condition = modern non-Coach manufacture",
        "Condition: New (NWT\/NWOT equivalent) per seller brand new and catalog images; photo-observable wear none"
    ],
    "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 3: silver-tone zipper hardware, rings, buckles, and clip attachments are visible; no legible Coach engraving is visible.",
        "leather_description": "photo 1-5: black smooth synthetic\/PU-looking material; seller states vegan leather and PU leather.",
        "lining_description": "photo 4: brown fabric lining with multiple compartments and zipper pockets is visible.",
        "strap_construction": "photo 1-3: two fixed top handles plus a detachable, adjustable shoulder strap with clip ends.",
        "stitching_description": "photo 1-3: machine-stitched seams and applied pocket panels are visible; close inspection of stitch quality is limited by promotional image resolution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag\/tote with handles, zipper closure, and detachable shoulder strap.",
                    "photo 1: a small rectangular exterior badge is visible, but its lettering is not legible and it does not visibly identify Coach."
                ],
                "negative_evidence": [
                    "photo 1: listing imagery and seller text identify the material as vegan\/PU leather, which is inconsistent with the classic vintage Coach population.",
                    "photo 1: silver-tone hardware and a heavily pocketed modern utility-tote design do not match a recognizable vintage Coach classic.",
                    "photo 2: exterior panels and pockets show no legible Coach wordmark, horse-and-carriage, or distinctive Coach identifier.",
                    "photo 4: interior is visibly fabric-lined, with multiple compartments; no Coach creed patch is visible.",
                    "photo 1: the listing explicitly says brand new and unbranded, and the supplied images appear promotional\/product images rather than detailed authenticity photographs."
                ],
                "missing_information": [
                    "photo 1-5: no straight-on close-up of the exterior badge or any interior brand label.",
                    "photo 4: no close-up of the entire interior back wall, slip pockets, or seams where a creed or fabric tag might be located.",
                    "photo 3: no readable close-up of zipper pulls, hardware engravings, or strap attachments.",
                    "photo 2-5: no natural-light condition photographs; images are product\/promotional renderings."
                ],
                "authenticity_concerns": [
                    "photo 1 and listing text: stated PU\/vegan construction is a strong non-Coach signal for a purported vintage Coach bag.",
                    "photo 1: the small badge appears generic or unverified rather than a visibly legible Coach wordmark; its text cannot be authenticated from the image.",
                    "photo 4: modern synthetic-looking lining and utility construction are inconsistent with a classic glove-tanned vintage Coach model."
                ],
                "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 and photo 3: silver-tone zipper hardware, rings, buckles, and clip attachments are visible; no legible Coach engraving is visible.",
                    "leather_description": "photo 1-5: black smooth synthetic\/PU-looking material; seller states vegan leather and PU leather.",
                    "lining_description": "photo 4: brown fabric lining with multiple compartments and zipper pockets is visible.",
                    "strap_construction": "photo 1-3: two fixed top handles plus a detachable, adjustable shoulder strap with clip ends.",
                    "stitching_description": "photo 1-3: machine-stitched seams and applied pocket panels are visible; close inspection of stitch quality is limited by promotional image resolution."
                },
                "possible_model_reasoning": [
                    "The silhouette is a large modern multi-pocket hobo\/tote, not a recognizable vintage Coach City Bag, Willis, Court, Station, or Dinky.",
                    "No visible creed, serial\/style number, Coach wordmark, or horse-and-carriage identifier supports a Coach model attribution.",
                    "Condition appears new based on the listing and promotional photos, but interior and hardware authenticity details are not adequately documented."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - request interior back wall \/ slip pocket close-up in raking light (photos show only fabric lining, no leather patch)",
                    "No Coach wordmark, hangtag, or hardware engraving visible - request close-ups if claimed",
                    "No zipper brand stamp visible",
                    "Seller stock\/catalog graphics, not actual item photos - request real photos of offered bag"
                ],
                "negative_evidence": [
                    "photo 1-4: high-quality PU \/ vegan leather stated by seller and synthetic pebbled appearance, not glove-tanned cowhide - coach_probability <=0.05 per procedure",
                    "photo 1-4: silver-tone \/ nickel plated zipper, snaps, buckle and clips, not solid brass vintage hardware",
                    "photo 4: fully lined brown tear-resistant fabric interior with multiple compartments, not unlined suede-back classic construction",
                    "photo 1-2: zip-top multi-pocket hobo tote with exterior zip and snap pockets and riveted handles - no catalog Coach silhouette, closure, or turnlock",
                    "photo 1-5: brand new mass-produced tote with detachable adjustable crossbody strap, inconsistent with vintage Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone plated hardware: top zippers with leather pull tabs, exterior zip and snap pockets, buckle-adjustable detachable strap with lobster-type clips",
                    "leather_description": "black pebbled synthetic PU \/ vegan leather as stated by seller, not full-grain glove-tanned cowhide",
                    "lining_description": "brown fully lined tear-resistant fabric interior with 2 main compartments and middle zip compartment visible photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching with X-box reinforced handle anchors visible photo 1",
                    "strap_construction": "dual fixed top handles with riveted mounts plus detachable adjustable shoulder\/crossbody strap with buckle and clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top multi-pocket synthetic tote with silver hardware and fabric lining matches modern fast-fashion tote, not City Bag, Willis, Court, Station or other classics",
                    "Era reasoning: PU vegan leather + nickel hardware + fabric lining + new condition = modern non-Coach manufacture",
                    "Condition: New (NWT\/NWOT equivalent) per seller brand new and catalog images; photo-observable wear none"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 835,
            "total_tokens": 18672,
            "estimated_cost_usd": 0.009139
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18360,
            "output_tokens": 1182,
            "total_tokens": 19542,
            "estimated_cost_usd": 0.004618
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}