Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.93,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: the front shows a small rectangular unbranded plaque rather than a COACH wordmark, carriage, or vintage leather hangtag",
        "photo 2: the bag has a modern crescent profile, multiple attached pouches, wide patterned guitar strap, and magnetic snap pocket, unlike the listed vintage Coach construction",
        "photos 1-4: the surface appears uniform synthetic or coated material, consistent with the seller's explicit description of microfiber synthetic\/vegan faux leather",
        "photos 1-4: hardware is bright plated-tone and contemporary-looking rather than the solid, understated brass hardware typical of many vintage Coach classics",
        "photos 1-5: listing uses polished product graphics, model photography, and capacity marketing typical of a new mass-market accessory rather than a secondhand vintage bag",
        "photo 1-5: modern two-tone hobo silhouette with wide woven guitar strap and detachable zip pouches, no Coach catalog match",
        "seller text states top-grade microfiber synthetic leather \/ premium vegan faux leather - photo 2-4 pebbled faux texture consistent",
        "photo 2: gold-tone magnetic snap and modern zipper hardware, not solid brass vintage turnlock",
        "photo 1: dark fabric interior with multiple RFID slots, ID windows, key clip - modern wallet-bag construction",
        "photos 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-5: no interior creed patch, Coach fabric label, or serial\/style tag is shown",
        "photo 1-5: no close-up shows any brand marking on the plaque, zipper pulls, or hardware",
        "photo 1-5: seller-provided images do not show a normal close-up of material texture, stitching, or manufacturing labels",
        "No creed patch shown - not expected for this type but standard checklist item",
        "No hardware brand stamps shown",
        "No actual item photos - all images are marketing graphics"
    ],
    "authenticity_concerns": [
        "photo 1-5: no Coach identifier is visible and the construction is inconsistent with a vintage Coach leather handbag",
        "seller states the material is microfiber synthetic\/vegan faux leather, which is a strong non-Coach signal for this vintage-Coach search",
        "photo 1-5: synthetic vegan faux leather construction inconsistent with vintage Coach glove-tanned leather",
        "photo 2: modern mass-market features - magnetic snap, guitar strap, detachable dual pouches - not consistent with any vintage Coach catalog style"
    ],
    "possible_model_reasoning": [
        "photo 2: the crescent shoulder-bag silhouette and accessory pouches are contemporary generic fashion construction, not a recognizable vintage Coach catalog model",
        "photo 3: seller-stated dimensions and product layout indicate a modern phone\/wallet organizer rather than a classic Coach City Bag, Court, Willis, or Dinky",
        "Condition: appears new or unused in polished catalog images, but actual condition cannot be independently verified from stock-style photos",
        "No Coach model fits: modern faux-leather hobo-wallet set with guitar strap and magnetic snap does not match any Classic, Soho, or modern Coach line",
        "Materials alone exclude vintage Coach: vegan synthetic leather + fabric lining + plated hardware = coach_probability <=0.05 per skill",
        "Condition: New marketing graphics, not gradable as secondhand vintage"
    ],
    "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 2: bright metal-tone zipper hardware, rings, clips, and magnetic snap; no visible Coach engraving",
        "leather_description": "photo 2: smooth white and brown synthetic-looking material; seller describes it as microfiber synthetic\/vegan faux leather",
        "lining_description": "photo 1: dark interior compartments are visible in a marketing cutaway, but lining material and label are not identifiable",
        "strap_construction": "photos 2-4: wide patterned adjustable guitar-style strap plus a shorter wristlet strap; detachable side pouches are attached by metal clips",
        "stitching_description": "photos 2-4: perimeter stitching is visible but fine construction details are limited by product-image resolution"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "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": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: the front shows a small rectangular unbranded plaque rather than a COACH wordmark, carriage, or vintage leather hangtag",
                    "photo 2: the bag has a modern crescent profile, multiple attached pouches, wide patterned guitar strap, and magnetic snap pocket, unlike the listed vintage Coach construction",
                    "photos 1-4: the surface appears uniform synthetic or coated material, consistent with the seller's explicit description of microfiber synthetic\/vegan faux leather",
                    "photos 1-4: hardware is bright plated-tone and contemporary-looking rather than the solid, understated brass hardware typical of many vintage Coach classics",
                    "photos 1-5: listing uses polished product graphics, model photography, and capacity marketing typical of a new mass-market accessory rather than a secondhand vintage bag"
                ],
                "missing_information": [
                    "photo 1-5: no interior creed patch, Coach fabric label, or serial\/style tag is shown",
                    "photo 1-5: no close-up shows any brand marking on the plaque, zipper pulls, or hardware",
                    "photo 1-5: seller-provided images do not show a normal close-up of material texture, stitching, or manufacturing labels"
                ],
                "authenticity_concerns": [
                    "photo 1-5: no Coach identifier is visible and the construction is inconsistent with a vintage Coach leather handbag",
                    "seller states the material is microfiber synthetic\/vegan faux leather, which is a strong non-Coach signal for this vintage-Coach search"
                ],
                "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 2: bright metal-tone zipper hardware, rings, clips, and magnetic snap; no visible Coach engraving",
                    "leather_description": "photo 2: smooth white and brown synthetic-looking material; seller describes it as microfiber synthetic\/vegan faux leather",
                    "lining_description": "photo 1: dark interior compartments are visible in a marketing cutaway, but lining material and label are not identifiable",
                    "strap_construction": "photos 2-4: wide patterned adjustable guitar-style strap plus a shorter wristlet strap; detachable side pouches are attached by metal clips",
                    "stitching_description": "photos 2-4: perimeter stitching is visible but fine construction details are limited by product-image resolution"
                },
                "possible_model_reasoning": [
                    "photo 2: the crescent shoulder-bag silhouette and accessory pouches are contemporary generic fashion construction, not a recognizable vintage Coach catalog model",
                    "photo 3: seller-stated dimensions and product layout indicate a modern phone\/wallet organizer rather than a classic Coach City Bag, Court, Willis, or Dinky",
                    "Condition: appears new or unused in polished catalog images, but actual condition cannot be independently verified from stock-style photos"
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: synthetic vegan faux leather construction inconsistent with vintage Coach glove-tanned leather",
                    "photo 2: modern mass-market features - magnetic snap, guitar strap, detachable dual pouches - not consistent with any vintage Coach catalog style"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - not expected for this type but standard checklist item",
                    "No hardware brand stamps shown",
                    "No actual item photos - all images are marketing graphics"
                ],
                "negative_evidence": [
                    "photo 1-5: modern two-tone hobo silhouette with wide woven guitar strap and detachable zip pouches, no Coach catalog match",
                    "seller text states top-grade microfiber synthetic leather \/ premium vegan faux leather - photo 2-4 pebbled faux texture consistent",
                    "photo 2: gold-tone magnetic snap and modern zipper hardware, not solid brass vintage turnlock",
                    "photo 1: dark fabric interior with multiple RFID slots, ID windows, key clip - modern wallet-bag construction",
                    "photos 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone magnetic snap, gold-tone zippers, rectangular slider on woven strap, metal key clip; lightweight plated modern hardware",
                    "leather_description": "white and brown pebbled faux leather - seller states microfiber synthetic \/ vegan faux leather, better than ordinary PU",
                    "lining_description": "dark fabric lining visible in photo 1 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching in matching thread, visible edge piping in contrast brown",
                    "strap_construction": "wide 1-inch woven guitar strap, adjustable, plus wristlet strap and small pouch charms; detachable via metal clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: modern faux-leather hobo-wallet set with guitar strap and magnetic snap does not match any Classic, Soho, or modern Coach line",
                    "Materials alone exclude vintage Coach: vegan synthetic leather + fabric lining + plated hardware = coach_probability <=0.05 per skill",
                    "Condition: New marketing graphics, not gradable as secondhand vintage"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
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}