Vintage Coach Hunter

{
    "is_handbag_probability": 0.165,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 15,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the red item appears to be a thin wallet-to-chain-purse converter rather than a conventional handbag.",
        "photo 1: visible gold-tone chain and grommet hardware show no Coach wordmark, carriage, creed, or recognizable Coach construction.",
        "photo 2: red converter has a flat, narrow rectangular shape and exposed chain, unlike the catalogued vintage Coach handbag silhouettes.",
        "photo 3: visible exterior has no Coach branding or leather hangtag.",
        "photo 4: listing imagery shows colorful Louis Vuitton-style monogram wallets, but these are explicitly stated to be excluded and do not identify the red converter as Coach.",
        "photo 5: construction appears lightweight and textile-like rather than vintage glove-tanned leather.",
        "photo 6: no Coach identifier or vintage Coach-specific construction is visible.",
        "photo 1: object for sale is a red felt insert with gold-tone chain, not a leather handbag",
        "photo 1, photo 2: long wallets shown are Louis Vuitton multicolor print with text overlay NOT INCLUDED, not Coach",
        "photo 3, photo 5, photo 6: only red felt converter with gold-tone chain and toggle eyelets visible, no glove-tanned leather, no solid brass Coach turnlock, no creed patch",
        "photo 4: gift graphic, no bag shown"
    ],
    "missing_information": [
        "Close-up of the red converter's material and edge construction.",
        "Interior view, including any labels, stamps, or brand markings.",
        "Close-up of the chain attachment hardware and stitching.",
        "Seller-stated dimensions and material composition.",
        "No handbag present to assess - item is a wallet chain converter accessory, not a handbag",
        "No creed, Coach wordmark, or Coach hardware visible to pursue further Coach authentication"
    ],
    "authenticity_concerns": [
        "photo 2: the item lacks the creed, serial\/style number, wordmark, or other identifiers expected for a Coach product.",
        "photo 1: the visible colorful monogram wallet is Louis Vuitton-style branding, not Coach, and is separate from the listed converter; brand authenticity of that excluded wallet cannot be assessed from these photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: this is presented as a wallet converter\/accessory, not a catalogued vintage Coach handbag.",
        "photo 1: the flat red converter and chain are more consistent with a generic modern accessory than a vintage Coach leather bag.",
        "Condition: appears unused or lightly handled from the visible surfaces, but interior, odor, and functional hardware cannot be assessed.",
        "Object is not a handbag per seller title\/description: chain wallet converter to be inserted into a long wallet",
        "No Coach silhouette, leather, hardware, creed, wordmark, or hangtag visible in any of 6 photos",
        "Louis Vuitton wallets pictured are props marked NOT INCLUDED and are not Coach models",
        "Condition: sale item appears new\/unused felt insert with chain, but not gradable as Coach handbag"
    ],
    "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: gold-tone chain with small circular\/grommet-style attachments; no Coach engraving is visible.",
        "leather_description": "photo 1: red material appears smooth and thin, possibly textile or synthetic; leather type is not confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photos 2, 3, 5, 6: detachable-looking gold-tone chain passes through or attaches at two upper corner grommets; full attachment construction is not shown closely.",
        "stitching_description": "photos 1 and 5: straight perimeter stitching or finished edges are visible, but stitch quality and seam construction are not detailed enough for authentication."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.28,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the red item appears to be a thin wallet-to-chain-purse converter rather than a conventional handbag.",
                    "photo 1: visible gold-tone chain and grommet hardware show no Coach wordmark, carriage, creed, or recognizable Coach construction.",
                    "photo 2: red converter has a flat, narrow rectangular shape and exposed chain, unlike the catalogued vintage Coach handbag silhouettes.",
                    "photo 3: visible exterior has no Coach branding or leather hangtag.",
                    "photo 4: listing imagery shows colorful Louis Vuitton-style monogram wallets, but these are explicitly stated to be excluded and do not identify the red converter as Coach.",
                    "photo 5: construction appears lightweight and textile-like rather than vintage glove-tanned leather.",
                    "photo 6: no Coach identifier or vintage Coach-specific construction is visible."
                ],
                "missing_information": [
                    "Close-up of the red converter's material and edge construction.",
                    "Interior view, including any labels, stamps, or brand markings.",
                    "Close-up of the chain attachment hardware and stitching.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "photo 2: the item lacks the creed, serial\/style number, wordmark, or other identifiers expected for a Coach product.",
                    "photo 1: the visible colorful monogram wallet is Louis Vuitton-style branding, not Coach, and is separate from the listed converter; brand authenticity of that excluded wallet cannot be assessed from these photos."
                ],
                "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: gold-tone chain with small circular\/grommet-style attachments; no Coach engraving is visible.",
                    "leather_description": "photo 1: red material appears smooth and thin, possibly textile or synthetic; leather type is not confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 2, 3, 5, 6: detachable-looking gold-tone chain passes through or attaches at two upper corner grommets; full attachment construction is not shown closely.",
                    "stitching_description": "photos 1 and 5: straight perimeter stitching or finished edges are visible, but stitch quality and seam construction are not detailed enough for authentication."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: this is presented as a wallet converter\/accessory, not a catalogued vintage Coach handbag.",
                    "photo 1: the flat red converter and chain are more consistent with a generic modern accessory than a vintage Coach leather bag.",
                    "Condition: appears unused or lightly handled from the visible surfaces, but interior, odor, and functional hardware cannot be assessed."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 15
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.05,
                "missing_information": [
                    "No handbag present to assess - item is a wallet chain converter accessory, not a handbag",
                    "No creed, Coach wordmark, or Coach hardware visible to pursue further Coach authentication"
                ],
                "negative_evidence": [
                    "photo 1: object for sale is a red felt insert with gold-tone chain, not a leather handbag",
                    "photo 1, photo 2: long wallets shown are Louis Vuitton multicolor print with text overlay NOT INCLUDED, not Coach",
                    "photo 3, photo 5, photo 6: only red felt converter with gold-tone chain and toggle eyelets visible, no glove-tanned leather, no solid brass Coach turnlock, no creed patch",
                    "photo 4: gift graphic, no bag shown"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone chain with toggle-bar eyelets attached to red insert (photo 1, photo 3, photo 5, photo 6); lightweight plated costume chain, not solid brass Coach hardware",
                    "leather_description": "no leather handbag visible; sale item is red felt \/ textile converter insert, not leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "gold-tone metal chain converter strap for long wallet, not a handbag strap; thin curb chain with toggle ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Object is not a handbag per seller title\/description: chain wallet converter to be inserted into a long wallet",
                    "No Coach silhouette, leather, hardware, creed, wordmark, or hangtag visible in any of 6 photos",
                    "Louis Vuitton wallets pictured are props marked NOT INCLUDED and are not Coach models",
                    "Condition: sale item appears new\/unused felt insert with chain, but not gradable as Coach handbag"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18051,
            "output_tokens": 803,
            "total_tokens": 18854,
            "estimated_cost_usd": 0.009148
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18529,
            "output_tokens": 1294,
            "total_tokens": 19823,
            "estimated_cost_usd": 0.004741
        }
    ]
}