Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.505,
    "confidence": 0.93,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag has an all-over Louis Vuitton-style monogram canvas pattern rather than a Coach signature pattern or unbranded vintage Coach construction",
        "photo 2: front hardware is visibly stamped LOUIS VUITTON PARIS, not COACH",
        "photo 4: interior label reads LOUIS VUITTON PARIS and indicates a modern synthetic-lined construction",
        "photo 5: exterior repeats LV monograms and floral motifs inconsistent with vintage Coach designs",
        "photo 1: chain strap, red-edged light strap, plated gold-tone hardware, and coated canvas are inconsistent with classic vintage Coach glove-tanned leather bags",
        "photo 1,4,6: all-over brown LV monogram coated canvas body, not Coach glove-tanned leather and not Coach Signature C pairing",
        "photo 2: gold-tone bar clasp engraved LOUIS VUITTON PARIS with plastic film still on, not vintage Coach solid-brass turnlock geometry",
        "photo 5: burgundy textile lining with beige LOUIS VUITTON PARIS made in France label sewn in pocket, not unlined suede-back glove-tanned with leather creed patch",
        "photo 1,4,6: gold-tone chain plus tan strap with red edge paint, not Coach brass dogleash \/ buckle-adjust leather strap",
        "photos 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no leather hangtag visible anywhere"
    ],
    "missing_information": [
        "photo 2: the hardware stamp is somewhat reflective; a straight-on close-up would help evaluate the Louis Vuitton marking",
        "photo 4: interior date code or manufacturing tag is not visible",
        "photo 1: bottom and all corners are not shown clearly for complete condition assessment",
        "photo 3: zipper, clasp underside, and hardware markings are not fully shown",
        "No Coach creed patch shown in any photo - no further Coach-specific photos needed as bag is LV-branded coated canvas",
        "No Coach hangtag, wordmark, or serial visible to assess",
        "Bottom corners and hardware engravings other than LV plaque not shown in detail"
    ],
    "authenticity_concerns": [
        "photo 2: the Louis Vuitton marking and monogram identify this as a Louis Vuitton-style item, but the photos do not establish that it is authentic Louis Vuitton",
        "photo 4: the visible label and overall construction could represent a counterfeit or unlicensed monogram bag; no verifiable date code or receipt is shown",
        "photo 1: the seller's 'Unbranded' label is inconsistent with the prominently visible Louis Vuitton branding",
        "photo 1,2,4,5: bag carries Louis Vuitton monogram print and LOUIS VUITTON PARIS markings, not Coach identifiers - inconsistent with Coach manufacture",
        "photo 2: bright gold-tone plated bar clasp still covered in plastic protective film on a supposedly estate \/ unused bag - new-in-box unbranded-type presentation is replica-signal per skill"
    ],
    "possible_model_reasoning": [
        "photo 1-5: silhouette is a small modern flap crossbody, but it does not match a Coach catalog model and visibly uses Louis Vuitton-style branding.",
        "photo 1-6: seller-stated dimensions of 9.5 x 6.5 inches are consistent with a small crossbody but do not establish Coach origin.",
        "Condition: approximately Like New from the visible exterior, with no obvious major wear; interior and hardware condition are only partially shown. This condition estimate does not establish authenticity.",
        "No Coach model fits: silhouette is LV-monogram flap crossbody with bar clasp and chain, not Willis (9927), Court (9870), Dinky (9375), City Bag (9790) or other catalog style",
        "Construction (coated monogram canvas, textile lining, plated chain, LV Paris labels) points to modern LV-style \/ inspired production, not 1970s-1990s unlined glove-tanned Coach",
        "Condition appears New \/ Like New unused with tissue and film (photo 2, photo 5) but condition as Coach is not applicable since not Coach"
    ],
    "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 1-2: reflective gold-tone rectangular front plaque and chain attachments; plaque visibly reads LOUIS VUITTON PARIS. No Coach-marked hardware visible.",
        "leather_description": "photo 1, 3-5: dark brown coated monogram canvas with light-colored edge\/trim material; not vintage Coach glove-tanned leather.",
        "lining_description": "photo 4: burgundy textile lining with a sewn rectangular Louis Vuitton Paris label; no Coach creed visible.",
        "strap_construction": "photo 1, 3, 5-6: long gold-tone chain strap plus a light-colored short shoulder strap with red-painted edges.",
        "stitching_description": "photo 4: regular machine stitching around the interior label; detailed exterior seam quality is not fully assessable."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0353,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.99,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag has an all-over Louis Vuitton-style monogram canvas pattern rather than a Coach signature pattern or unbranded vintage Coach construction",
                    "photo 2: front hardware is visibly stamped LOUIS VUITTON PARIS, not COACH",
                    "photo 4: interior label reads LOUIS VUITTON PARIS and indicates a modern synthetic-lined construction",
                    "photo 5: exterior repeats LV monograms and floral motifs inconsistent with vintage Coach designs",
                    "photo 1: chain strap, red-edged light strap, plated gold-tone hardware, and coated canvas are inconsistent with classic vintage Coach glove-tanned leather bags"
                ],
                "missing_information": [
                    "photo 2: the hardware stamp is somewhat reflective; a straight-on close-up would help evaluate the Louis Vuitton marking",
                    "photo 4: interior date code or manufacturing tag is not visible",
                    "photo 1: bottom and all corners are not shown clearly for complete condition assessment",
                    "photo 3: zipper, clasp underside, and hardware markings are not fully shown"
                ],
                "authenticity_concerns": [
                    "photo 2: the Louis Vuitton marking and monogram identify this as a Louis Vuitton-style item, but the photos do not establish that it is authentic Louis Vuitton",
                    "photo 4: the visible label and overall construction could represent a counterfeit or unlicensed monogram bag; no verifiable date code or receipt is shown",
                    "photo 1: the seller's 'Unbranded' label is inconsistent with the prominently visible Louis Vuitton branding"
                ],
                "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 1-2: reflective gold-tone rectangular front plaque and chain attachments; plaque visibly reads LOUIS VUITTON PARIS. No Coach-marked hardware visible.",
                    "leather_description": "photo 1, 3-5: dark brown coated monogram canvas with light-colored edge\/trim material; not vintage Coach glove-tanned leather.",
                    "lining_description": "photo 4: burgundy textile lining with a sewn rectangular Louis Vuitton Paris label; no Coach creed visible.",
                    "strap_construction": "photo 1, 3, 5-6: long gold-tone chain strap plus a light-colored short shoulder strap with red-painted edges.",
                    "stitching_description": "photo 4: regular machine stitching around the interior label; detailed exterior seam quality is not fully assessable."
                },
                "possible_model_reasoning": [
                    "photo 1-5: silhouette is a small modern flap crossbody, but it does not match a Coach catalog model and visibly uses Louis Vuitton-style branding.",
                    "photo 1-6: seller-stated dimensions of 9.5 x 6.5 inches are consistent with a small crossbody but do not establish Coach origin.",
                    "Condition: approximately Like New from the visible exterior, with no obvious major wear; interior and hardware condition are only partially shown. This condition estimate does not establish authenticity."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1,2,4,5: bag carries Louis Vuitton monogram print and LOUIS VUITTON PARIS markings, not Coach identifiers - inconsistent with Coach manufacture",
                    "photo 2: bright gold-tone plated bar clasp still covered in plastic protective film on a supposedly estate \/ unused bag - new-in-box unbranded-type presentation is replica-signal per skill"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch shown in any photo - no further Coach-specific photos needed as bag is LV-branded coated canvas",
                    "No Coach hangtag, wordmark, or serial visible to assess",
                    "Bottom corners and hardware engravings other than LV plaque not shown in detail"
                ],
                "negative_evidence": [
                    "photo 1,4,6: all-over brown LV monogram coated canvas body, not Coach glove-tanned leather and not Coach Signature C pairing",
                    "photo 2: gold-tone bar clasp engraved LOUIS VUITTON PARIS with plastic film still on, not vintage Coach solid-brass turnlock geometry",
                    "photo 5: burgundy textile lining with beige LOUIS VUITTON PARIS made in France label sewn in pocket, not unlined suede-back glove-tanned with leather creed patch",
                    "photo 1,4,6: gold-tone chain plus tan strap with red edge paint, not Coach brass dogleash \/ buckle-adjust leather strap",
                    "photos 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no leather hangtag visible anywhere"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone bar clasp with plastic film still on, gold-tone chain straps and side rings; lightweight plated appearance, not solid vintage brass turnlock",
                    "leather_description": "brown coated canvas \/ faux-textured material with all-over LV monogram print, not glove-tanned cowhide",
                    "lining_description": "burgundy \/ magenta textile lining visible in photo 3 and photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tan contrast stitching visible on tan strap in photo 2; body stitching not clearly visible",
                    "strap_construction": "gold-tone chain crossbody plus tan faux-leather shoulder strap with red edge paint, attached with gold-tone lobster-type clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is LV-monogram flap crossbody with bar clasp and chain, not Willis (9927), Court (9870), Dinky (9375), City Bag (9790) or other catalog style",
                    "Construction (coated monogram canvas, textile lining, plated chain, LV Paris labels) points to modern LV-style \/ inspired production, not 1970s-1990s unlined glove-tanned Coach",
                    "Condition appears New \/ Like New unused with tissue and film (photo 2, photo 5) but condition as Coach is not applicable since not Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18128,
            "output_tokens": 891,
            "total_tokens": 19019,
            "estimated_cost_usd": 0.00939
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18681,
            "output_tokens": 1582,
            "total_tokens": 20263,
            "estimated_cost_usd": 0.005002
        }
    ]
}