Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.865,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.93,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag has a repeated butterfly-and-vertical-line embossed pattern, not Coach Signature C canvas or a recognizable vintage Coach pattern",
        "photo 1: highly shiny, plated-looking gold-tone hardware and decorative wavy metal frame are inconsistent with classic vintage Coach construction",
        "photo 7: interior shows a fabric-lined compartment with a small non-creed brand label; no Coach creed or serial is visible",
        "photo 7: interior appears to include smooth synthetic\/plastic-like divider material rather than the unlined glove-tanned construction typical of classic vintage Coach",
        "photo 2: seller title identifies the bag as Crossi NY, while the listing brand is unbranded; no Coach branding is visible",
        "photo 6: red synthetic fabric lining with small Crossi script tag, no Coach creed patch, no No. number, no wordmark",
        "photos 1-5: red embossed butterfly \/ striped saffiano-textured synthetic material, not glove-tanned cowhide",
        "photos 1-5: high-shine gold-tone metal frame top with plated rings and end caps, not vintage solid brass turnlock hardware",
        "photos 1-5: metal-frame satchel silhouette with dual top handles does not match any vintage Coach catalog style",
        "photos 1-5: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 7: the small interior label should be photographed straight-on at higher resolution to verify its text",
        "request a clear photo of the full interior, bottom, corners, strap attachments, and any sewn-in country\/material tag",
        "No Coach creed, serial, or wordmark visible in any photo - interior instead shows Crossi tag (photo 6)",
        "Bottom and hardware engraving close-ups not shown, but not needed given positive Crossi identification"
    ],
    "authenticity_concerns": [
        "The bag's synthetic-looking embossed material, bright plated hardware, decorative frame, and non-Coach interior label are inconsistent with Coach-made vintage handbags.",
        "The butterfly motif is a generic or other-brand design rather than Coach Signature branding; no Coach identifier is present.",
        "photo 6: interior brand tag reads Crossi - positively identifies non-Coach maker, not a Coach creed",
        "photos 1-5: bright plated frame hardware and embossed synthetic body inconsistent with vintage Coach solid-brass and glove-tanned construction"
    ],
    "possible_model_reasoning": [
        "The structured zip-top satchel silhouette is a generic modern handbag and does not closely match a documented vintage Coach model.",
        "photo 7: absence of a visible creed, serial\/style number, or Coach wordmark substantially limits any Coach attribution.",
        "Condition appears Very Good to Excellent from the shown exterior: no major wear is visible, though interior wear and odor cannot be assessed fully.",
        "No Coach model fits: frame-top satchel with butterfly-embossed synthetic body, plated hardware, fabric lining and Crossi tag is inconsistent with all classic glove-tanned Coach styles",
        "Serial decode: none - no serial visible",
        "Era reasoning: modern fast-fashion construction, listed as Crossi NY, modern (2000s+), non-Coach",
        "Condition: Like New \/ Mint; clean edges, unmarked hardware and lining in photos 1-6, 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 1: bright, highly reflective gold-tone\/plated-looking hardware with a decorative wavy top frame, multiple rings, and zipper closure; no Coach engraving visible",
        "leather_description": "photo 1: red textured, embossed material with a repeated butterfly motif; appears synthetic or coated rather than vintage glove-tanned leather",
        "lining_description": "photo 7: red fabric lining with multiple compartments and a smooth red divider; small sewn label visible but not legible enough to transcribe confidently",
        "strap_construction": "photos 2-4: matching red detachable shoulder strap with small plated swivel clips; matching top handles with metal end caps",
        "stitching_description": "photos 1-6: visible machine stitching appears generally even; no distinctive Coach construction detail is visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.93,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag has a repeated butterfly-and-vertical-line embossed pattern, not Coach Signature C canvas or a recognizable vintage Coach pattern",
                    "photo 1: highly shiny, plated-looking gold-tone hardware and decorative wavy metal frame are inconsistent with classic vintage Coach construction",
                    "photo 7: interior shows a fabric-lined compartment with a small non-creed brand label; no Coach creed or serial is visible",
                    "photo 7: interior appears to include smooth synthetic\/plastic-like divider material rather than the unlined glove-tanned construction typical of classic vintage Coach",
                    "photo 2: seller title identifies the bag as Crossi NY, while the listing brand is unbranded; no Coach branding is visible"
                ],
                "missing_information": [
                    "photo 7: the small interior label should be photographed straight-on at higher resolution to verify its text",
                    "request a clear photo of the full interior, bottom, corners, strap attachments, and any sewn-in country\/material tag"
                ],
                "authenticity_concerns": [
                    "The bag's synthetic-looking embossed material, bright plated hardware, decorative frame, and non-Coach interior label are inconsistent with Coach-made vintage handbags.",
                    "The butterfly motif is a generic or other-brand design rather than Coach Signature branding; no Coach identifier is present."
                ],
                "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: bright, highly reflective gold-tone\/plated-looking hardware with a decorative wavy top frame, multiple rings, and zipper closure; no Coach engraving visible",
                    "leather_description": "photo 1: red textured, embossed material with a repeated butterfly motif; appears synthetic or coated rather than vintage glove-tanned leather",
                    "lining_description": "photo 7: red fabric lining with multiple compartments and a smooth red divider; small sewn label visible but not legible enough to transcribe confidently",
                    "strap_construction": "photos 2-4: matching red detachable shoulder strap with small plated swivel clips; matching top handles with metal end caps",
                    "stitching_description": "photos 1-6: visible machine stitching appears generally even; no distinctive Coach construction detail is visible"
                },
                "possible_model_reasoning": [
                    "The structured zip-top satchel silhouette is a generic modern handbag and does not closely match a documented vintage Coach model.",
                    "photo 7: absence of a visible creed, serial\/style number, or Coach wordmark substantially limits any Coach attribution.",
                    "Condition appears Very Good to Excellent from the shown exterior: no major wear is visible, though interior wear and odor cannot be assessed fully."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 6: interior brand tag reads Crossi - positively identifies non-Coach maker, not a Coach creed",
                    "photos 1-5: bright plated frame hardware and embossed synthetic body inconsistent with vintage Coach solid-brass and glove-tanned construction"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed, serial, or wordmark visible in any photo - interior instead shows Crossi tag (photo 6)",
                    "Bottom and hardware engraving close-ups not shown, but not needed given positive Crossi identification"
                ],
                "negative_evidence": [
                    "photo 6: red synthetic fabric lining with small Crossi script tag, no Coach creed patch, no No. number, no wordmark",
                    "photos 1-5: red embossed butterfly \/ striped saffiano-textured synthetic material, not glove-tanned cowhide",
                    "photos 1-5: high-shine gold-tone metal frame top with plated rings and end caps, not vintage solid brass turnlock hardware",
                    "photos 1-5: metal-frame satchel silhouette with dual top handles does not match any vintage Coach catalog style",
                    "photos 1-5: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated metal frame top, split rings, handle end caps and shoulder-strap clasps; shiny plated, not aged solid brass; no COACH stamping visible",
                    "leather_description": "red embossed material with vertical stripes and butterfly motif, saffiano-like crosshatch sheen; appears synthetic \/ faux leather, not matte glove-tanned cowhide",
                    "lining_description": "red synthetic fabric lining visible in photo 6, plus red zip compartment",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight tone-matched edge stitching visible on body edges (photos 1, 4)",
                    "strap_construction": "two short rolled top handles with metal mounts plus detachable thin flat shoulder strap with gold-tone lobster clasps (photos 1-3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: frame-top satchel with butterfly-embossed synthetic body, plated hardware, fabric lining and Crossi tag is inconsistent with all classic glove-tanned Coach styles",
                    "Serial decode: none - no serial visible",
                    "Era reasoning: modern fast-fashion construction, listed as Crossi NY, modern (2000s+), non-Coach",
                    "Condition: Like New \/ Mint; clean edges, unmarked hardware and lining in photos 1-6, appears unused"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 770,
            "total_tokens": 33870,
            "estimated_cost_usd": 0.015088
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35573,
            "output_tokens": 1556,
            "total_tokens": 37129,
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}