Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag has a glossy crocodile-embossed synthetic-looking exterior and modern silver-tone hardware, unlike typical vintage Coach glove-tanned leather and brass hardware",
        "photo 2: front closure is a decorative rectangular metal bar rather than a recognizable Coach turnlock",
        "photo 3: interior appears fabric-lined and contains no visible Coach creed or wordmark",
        "photo 4: interior pocket and lining show no visible Coach identifier",
        "photo 7: construction and proportions appear generic rather than matching a clearly identifiable Coach catalog silhouette",
        "listing title: seller describes the item as faux leather and unbranded",
        "photo 1,2,6: seller-described faux leather with high-gloss croc-embossed flap - not glove-tanned cowhide",
        "photo 3: silver-tone magnetic snap closure, not brass turnlock with Coach geometry",
        "photo 4,5: black synthetic fabric lining, not unlined suede",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,3: silver-tone D-ring strap hardware, not solid brass"
    ],
    "missing_information": [
        "photo 1-7: no bottom, back, or side detail sufficient to inspect all construction features",
        "photo 3-6: no close-up of any hidden interior label, fabric tag, or zipper pull",
        "photo 1-7: no legible brand marking or manufacturing information is shown",
        "photo of back panel and bottom corners not shown",
        "hardware brand stamps \/ zipper brand not shown in close-up",
        "fabric content \/ care tag inside pocket not shown"
    ],
    "authenticity_concerns": [
        "photo 1: faux-leather appearance and glossy embossed finish are inconsistent with the classic vintage Coach population",
        "photo 1-2: bright silver-tone hardware and decorative bar closure are inconsistent with most vintage Coach classic styles",
        "photo 3-6: generic fabric-lined construction without a creed or other Coach identifier provides no support for Coach manufacture"
    ],
    "possible_model_reasoning": [
        "photo 1-7: silhouette is a generic small flap crossbody with a front pocket, not enough to match a Coach model; no Coach models are reasonably supported",
        "photo 3-6: absence of a visible creed, wordmark, hangtag, or style code substantially limits any Coach attribution",
        "photo 1-7: apparent synthetic material and silver-tone hardware suggest a modern non-Coach bag rather than a pre-2000 vintage Coach piece",
        "Condition: Very Good based on the visible exterior and intact-looking stitching; interior, odor, underside, and functional hardware condition are not fully assessable",
        "No Coach hard identifier visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
        "Construction inconsistent with vintage Coach: faux leather, silver-tone magnetic snap, fabric lining vs unlined glove-tanned + solid brass",
        "Silhouette is generic modern faux-leather flap crossbody ~8in wide per tape in photo 6, matches no catalog Coach style",
        "Condition: Very Good to Excellent; surface looks clean with light wear only (photo 2,6), interior clean (photo 4,5), strap intact"
    ],
    "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 1-4: silver-tone metal rings, strap clips, snap closure, and a small rectangular decorative bar; no visible Coach engraving",
        "leather_description": "photo 1-2: glossy black crocodile-embossed material with smooth synthetic-looking side panels; seller describes it as faux leather",
        "lining_description": "photo 3-6: black textile-like lining with zippered interior pockets; no visible creed or label",
        "strap_construction": "photo 1 and photo 7: long adjustable-looking black embossed strap attached with silver-tone rings and clips; exact adjustment hardware is not clearly shown",
        "stitching_description": "photo 1-4: visible machine stitching is generally even, with contrasting structural seams down the front; no distinctive Coach construction detail visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag has a glossy crocodile-embossed synthetic-looking exterior and modern silver-tone hardware, unlike typical vintage Coach glove-tanned leather and brass hardware",
                    "photo 2: front closure is a decorative rectangular metal bar rather than a recognizable Coach turnlock",
                    "photo 3: interior appears fabric-lined and contains no visible Coach creed or wordmark",
                    "photo 4: interior pocket and lining show no visible Coach identifier",
                    "photo 7: construction and proportions appear generic rather than matching a clearly identifiable Coach catalog silhouette",
                    "listing title: seller describes the item as faux leather and unbranded"
                ],
                "missing_information": [
                    "photo 1-7: no bottom, back, or side detail sufficient to inspect all construction features",
                    "photo 3-6: no close-up of any hidden interior label, fabric tag, or zipper pull",
                    "photo 1-7: no legible brand marking or manufacturing information is shown"
                ],
                "authenticity_concerns": [
                    "photo 1: faux-leather appearance and glossy embossed finish are inconsistent with the classic vintage Coach population",
                    "photo 1-2: bright silver-tone hardware and decorative bar closure are inconsistent with most vintage Coach classic styles",
                    "photo 3-6: generic fabric-lined construction without a creed or other Coach identifier provides no support for Coach manufacture"
                ],
                "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 1-4: silver-tone metal rings, strap clips, snap closure, and a small rectangular decorative bar; no visible Coach engraving",
                    "leather_description": "photo 1-2: glossy black crocodile-embossed material with smooth synthetic-looking side panels; seller describes it as faux leather",
                    "lining_description": "photo 3-6: black textile-like lining with zippered interior pockets; no visible creed or label",
                    "strap_construction": "photo 1 and photo 7: long adjustable-looking black embossed strap attached with silver-tone rings and clips; exact adjustment hardware is not clearly shown",
                    "stitching_description": "photo 1-4: visible machine stitching is generally even, with contrasting structural seams down the front; no distinctive Coach construction detail visible"
                },
                "possible_model_reasoning": [
                    "photo 1-7: silhouette is a generic small flap crossbody with a front pocket, not enough to match a Coach model; no Coach models are reasonably supported",
                    "photo 3-6: absence of a visible creed, wordmark, hangtag, or style code substantially limits any Coach attribution",
                    "photo 1-7: apparent synthetic material and silver-tone hardware suggest a modern non-Coach bag rather than a pre-2000 vintage Coach piece",
                    "Condition: Very Good based on the visible exterior and intact-looking stitching; interior, odor, underside, and functional hardware condition are not fully assessable"
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of back panel and bottom corners not shown",
                    "hardware brand stamps \/ zipper brand not shown in close-up",
                    "fabric content \/ care tag inside pocket not shown"
                ],
                "negative_evidence": [
                    "photo 1,2,6: seller-described faux leather with high-gloss croc-embossed flap - not glove-tanned cowhide",
                    "photo 3: silver-tone magnetic snap closure, not brass turnlock with Coach geometry",
                    "photo 4,5: black synthetic fabric lining, not unlined suede",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,3: silver-tone D-ring strap hardware, not solid brass"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap and small bar detail on flap, silver-tone D-rings at strap attachments",
                    "leather_description": "black faux leather with high-gloss croc-emboss on flap, smooth faux leather body",
                    "lining_description": "black synthetic fabric lining with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even dark edge stitching around flap, center seam on lower front pocket",
                    "strap_construction": "thin long adjustable crossbody strap in same black faux material attached with D-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
                    "Construction inconsistent with vintage Coach: faux leather, silver-tone magnetic snap, fabric lining vs unlined glove-tanned + solid brass",
                    "Silhouette is generic modern faux-leather flap crossbody ~8in wide per tape in photo 6, matches no catalog Coach style",
                    "Condition: Very Good to Excellent; surface looks clean with light wear only (photo 2,6), interior clean (photo 4,5), strap intact"
                ],
                "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": 33094,
            "output_tokens": 806,
            "total_tokens": 33900,
            "estimated_cost_usd": 0.015172
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35567,
            "output_tokens": 1126,
            "total_tokens": 36693,
            "estimated_cost_usd": 0.008014
        }
    ]
}