Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.86,
    "recommended_max_bid": 10,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1-4: is a structured handbag\/tote with top handles"
    ],
    "negative_evidence": [
        "photo 1: front silhouette and central hardware resemble a modern Birkin-style tote rather than a documented vintage Coach silhouette.",
        "photo 1: bright, highly reflective plated hardware and decorative padlock are inconsistent with typical vintage Coach brass hardware.",
        "photo 1: handles are wrapped in protective tissue, suggesting a new or recently manufactured fashion bag rather than a vintage item.",
        "photo 4: pebbled material and edge construction appear modern and do not show the glove-tanned, unlined construction associated with many vintage Coach classics.",
        "photo 6: close-up of the clasp shows no legible COACH marking or Coach-specific identifier.",
        "photo 1: seller title describes a large pink tote and does not provide Coach-related evidence.",
        "photo 1-4: Birkin-style tote with belted sangle straps and padlock - not a Coach catalog silhouette",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 5: bright gold-plated turn-plate and padlock hardware, not vintage solid brass Coach turnlock geometry",
        "photo 1-4: uniform pink pebbled coated material with painted edges, not vintage glove-tanned cowhide",
        "photo 1-3,6: new condition with foam-wrapped handles and nonwoven dust cover - modern mass-produced context"
    ],
    "missing_information": [
        "photo 7: interior emptied and photographed clearly, including any brand label or creed patch.",
        "photo 8: close-up of all interior and exterior tags, zipper pulls, and hardware markings.",
        "photo 9: clear photo of the underside, back, sides, and strap\/handle attachment points.",
        "photo 10: material confirmation; the photos do not establish whether the exterior is genuine leather, synthetic leather, or coated material.",
        "interior view not shown - lining and creed pocket unknown",
        "close-up of material edge and hardware stamps not shown",
        "seller-stated dimensions and material not provided"
    ],
    "authenticity_concerns": [
        "photo 1: overall design is a Coach lookalike\/Birkin-style tote with a decorative clasp and padlock, not a recognizable Coach model.",
        "photo 1: unused protective wrapping and glossy plated hardware are modern-lookalike signals.",
        "photo 6: clasp and padlock provide no visible Coach branding; absence of a visible Coach identifier substantially limits any Coach attribution.",
        "photo 1-3: Birkin-style sangle\/touret\/padlock silhouette never produced by Coach",
        "photo 1-3,6: new with handle foam wrap and dust cover - modern fast-fashion context"
    ],
    "possible_model_reasoning": [
        "No Coach model fits: silhouette, belted Birkin-style closure with padlock, modern pink pebbled material and bright plated hardware are inconsistent with any vintage or modern Coach line",
        "No creed, serial, wordmark or hangtag to decode; era by construction is modern non-Coach",
        "Condition: New-appearing; foam wrap and dust cover present (photo 1,6), no wear visible on exterior or bottom (photo 4)"
    ],
    "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": "Bright gold-tone rectangular clasp with a turning mechanism and attached turquoise padlock; no visible COACH engraving. Small gold-tone feet are visible in photo 4.",
        "leather_description": "Pink pebbled exterior material is visible, but genuine leather versus synthetic material cannot be determined from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "Two short rolled top handles, wrapped in white protective tissue; attachment points are visible, but handle construction cannot be fully assessed.",
        "stitching_description": "Visible topstitching is generally straight and evenly spaced, though close inspection of all stress points is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "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": 0.86,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: front silhouette and central hardware resemble a modern Birkin-style tote rather than a documented vintage Coach silhouette.",
                    "photo 1: bright, highly reflective plated hardware and decorative padlock are inconsistent with typical vintage Coach brass hardware.",
                    "photo 1: handles are wrapped in protective tissue, suggesting a new or recently manufactured fashion bag rather than a vintage item.",
                    "photo 4: pebbled material and edge construction appear modern and do not show the glove-tanned, unlined construction associated with many vintage Coach classics.",
                    "photo 6: close-up of the clasp shows no legible COACH marking or Coach-specific identifier.",
                    "photo 1: seller title describes a large pink tote and does not provide Coach-related evidence."
                ],
                "missing_information": [
                    "photo 7: interior emptied and photographed clearly, including any brand label or creed patch.",
                    "photo 8: close-up of all interior and exterior tags, zipper pulls, and hardware markings.",
                    "photo 9: clear photo of the underside, back, sides, and strap\/handle attachment points.",
                    "photo 10: material confirmation; the photos do not establish whether the exterior is genuine leather, synthetic leather, or coated material."
                ],
                "authenticity_concerns": [
                    "photo 1: overall design is a Coach lookalike\/Birkin-style tote with a decorative clasp and padlock, not a recognizable Coach model.",
                    "photo 1: unused protective wrapping and glossy plated hardware are modern-lookalike signals.",
                    "photo 6: clasp and padlock provide no visible Coach branding; absence of a visible Coach identifier substantially limits any Coach attribution."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "Bright gold-tone rectangular clasp with a turning mechanism and attached turquoise padlock; no visible COACH engraving. Small gold-tone feet are visible in photo 4.",
                    "leather_description": "Pink pebbled exterior material is visible, but genuine leather versus synthetic material cannot be determined from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two short rolled top handles, wrapped in white protective tissue; attachment points are visible, but handle construction cannot be fully assessed.",
                    "stitching_description": "Visible topstitching is generally straight and evenly spaced, though close inspection of all stress points is unavailable."
                },
                "possible_model_reasoning": [],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3: Birkin-style sangle\/touret\/padlock silhouette never produced by Coach",
                    "photo 1-3,6: new with handle foam wrap and dust cover - modern fast-fashion context"
                ],
                "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": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior view not shown - lining and creed pocket unknown",
                    "close-up of material edge and hardware stamps not shown",
                    "seller-stated dimensions and material not provided"
                ],
                "negative_evidence": [
                    "photo 1-4: Birkin-style tote with belted sangle straps and padlock - not a Coach catalog silhouette",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 5: bright gold-plated turn-plate and padlock hardware, not vintage solid brass Coach turnlock geometry",
                    "photo 1-4: uniform pink pebbled coated material with painted edges, not vintage glove-tanned cowhide",
                    "photo 1-3,6: new condition with foam-wrapped handles and nonwoven dust cover - modern mass-produced context"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware: front sangle strap with turn-plate\/touret, small padlock with green film, strap studs, four bottom feet; shiny plated appearance, not aged solid brass",
                    "leather_description": "pink pebbled-grain material with uniform color and sheen, appears coated faux\/PU leather, not matte glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even tone-matched machine stitching around edges and straps, visible in photo 1,3,5",
                    "strap_construction": "dual rolled top handles wrapped in white foam\/protective wrap; no detachable shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-4: is a structured handbag\/tote with top handles"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, belted Birkin-style closure with padlock, modern pink pebbled material and bright plated hardware are inconsistent with any vintage or modern Coach line",
                    "No creed, serial, wordmark or hangtag to decode; era by construction is modern non-Coach",
                    "Condition: New-appearing; foam wrap and dust cover present (photo 1,6), no wear visible on exterior or bottom (photo 4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23097,
            "output_tokens": 793,
            "total_tokens": 23890,
            "estimated_cost_usd": 0.011142
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 23909,
            "output_tokens": 1324,
            "total_tokens": 25233,
            "estimated_cost_usd": 0.005841
        }
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}