Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.915,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: exterior metal wordmark clearly reads \"AFKOMST,\" not COACH.",
        "photo 2: multiple zippered compartments and a synthetic-looking interior are visible, with no Coach creed patch.",
        "photo 3: interior appears to use shiny textile lining rather than the suede\/raw-leather interior typical of many vintage Coach classics.",
        "photo 5: exterior has glossy, heavily crackled PU-like material, consistent with the seller's stated PU leather.",
        "photo 6: silver-tone chain strap and contemporary zip construction do not match a typical vintage Coach turnlock handbag.",
        "photo 1: metal logo reads AFKOMST, not COACH",
        "photo 1, photo 5, photo 6: glossy coated PU faux-leather material stated by seller as PU, not glove-tanned leather",
        "photo 2, photo 4: brown synthetic fabric lining, not unlined suede",
        "photo 6: silver-tone chunky chain strap and zip-top closure, not vintage Coach brass turnlock construction",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 2-4: no straight-on interior back-wall view showing whether any additional brand or fabric tag is present.",
        "photo 6: zipper pulls and chain attachments are not shown in close-up for maker marks."
    ],
    "authenticity_concerns": [
        "photo 1: visible non-Coach brand wordmark identifies this as a different brand, not an unbranded Coach item.",
        "photo 3: synthetic lining and PU-like exterior are inconsistent with the classic glove-tanned leather construction associated with vintage Coach."
    ],
    "possible_model_reasoning": [
        "photo 1: the legible AFKOMST wordmark rules out a Coach model identification.",
        "photo 2 through photo 6: compact multi-compartment zip pouch silhouette is a modern fashion purse, not a recognizable vintage Coach catalog style.",
        "Condition: Very Good overall based on the seller's description and photos, but visible surface cracking\/creasing appears in the PU-like finish (photo 1 and photo 5); interior and hardware function cannot be fully verified.",
        "photo 1 and photo 6 show AFKOMST branding, positively identifying a modern Afkomst fast-fashion bag, inconsistent with Coach manufacture",
        "construction of PU body + fabric lining + silver-tone chain + zip top matches modern non-Coach segment, not any vintage Coach catalog style",
        "Condition: Excellent per seller and photos; glossy surface intact, bottom clean in photo 5, interior clean in photo 2 and 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": "photo 2 and photo 6: silver-tone zipper hardware and a silver-tone chain strap; no Coach-marked hardware is visible.",
        "leather_description": "photo 1, photo 5 and photo 6: glossy brown, crackle-textured synthetic\/PU-like material; seller explicitly describes it as PU leather.",
        "lining_description": "photo 2 through photo 4: brown textile lining with multiple zippered compartments; no Coach creed is visible.",
        "strap_construction": "photo 6: detachable-looking silver-tone chain strap with additional colorful cord tassel attachments.",
        "stitching_description": "photo 2 through photo 6: perimeter seams appear machine-stitched and generally even; fine stitch details are not shown closely."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: exterior metal wordmark clearly reads \"AFKOMST,\" not COACH.",
                    "photo 2: multiple zippered compartments and a synthetic-looking interior are visible, with no Coach creed patch.",
                    "photo 3: interior appears to use shiny textile lining rather than the suede\/raw-leather interior typical of many vintage Coach classics.",
                    "photo 5: exterior has glossy, heavily crackled PU-like material, consistent with the seller's stated PU leather.",
                    "photo 6: silver-tone chain strap and contemporary zip construction do not match a typical vintage Coach turnlock handbag."
                ],
                "missing_information": [
                    "photo 2-4: no straight-on interior back-wall view showing whether any additional brand or fabric tag is present.",
                    "photo 6: zipper pulls and chain attachments are not shown in close-up for maker marks."
                ],
                "authenticity_concerns": [
                    "photo 1: visible non-Coach brand wordmark identifies this as a different brand, not an unbranded Coach item.",
                    "photo 3: synthetic lining and PU-like exterior are inconsistent with the classic glove-tanned leather construction associated with vintage Coach."
                ],
                "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 2 and photo 6: silver-tone zipper hardware and a silver-tone chain strap; no Coach-marked hardware is visible.",
                    "leather_description": "photo 1, photo 5 and photo 6: glossy brown, crackle-textured synthetic\/PU-like material; seller explicitly describes it as PU leather.",
                    "lining_description": "photo 2 through photo 4: brown textile lining with multiple zippered compartments; no Coach creed is visible.",
                    "strap_construction": "photo 6: detachable-looking silver-tone chain strap with additional colorful cord tassel attachments.",
                    "stitching_description": "photo 2 through photo 6: perimeter seams appear machine-stitched and generally even; fine stitch details are not shown closely."
                },
                "possible_model_reasoning": [
                    "photo 1: the legible AFKOMST wordmark rules out a Coach model identification.",
                    "photo 2 through photo 6: compact multi-compartment zip pouch silhouette is a modern fashion purse, not a recognizable vintage Coach catalog style.",
                    "Condition: Very Good overall based on the seller's description and photos, but visible surface cracking\/creasing appears in the PU-like finish (photo 1 and photo 5); interior and hardware function cannot be fully verified."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 5,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: metal logo reads AFKOMST, not COACH",
                    "photo 1, photo 5, photo 6: glossy coated PU faux-leather material stated by seller as PU, not glove-tanned leather",
                    "photo 2, photo 4: brown synthetic fabric lining, not unlined suede",
                    "photo 6: silver-tone chunky chain strap and zip-top closure, not vintage Coach brass turnlock construction",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper teeth and pulls, silver-tone chunky chain shoulder strap with tassel charm; no brass turnlock",
                    "leather_description": "tan \/ brown glossy soft PU faux leather with wrinkled coated surface, high shine",
                    "lining_description": "brown synthetic fabric lining with center divider, visible in photo 2 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around top edge, tone-matched",
                    "strap_construction": "silver-tone metal chain shoulder strap with ring attachment, plus fabric loop at zip end",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 and photo 6 show AFKOMST branding, positively identifying a modern Afkomst fast-fashion bag, inconsistent with Coach manufacture",
                    "construction of PU body + fabric lining + silver-tone chain + zip top matches modern non-Coach segment, not any vintage Coach catalog style",
                    "Condition: Excellent per seller and photos; glossy surface intact, bottom clean in photo 5, interior clean in photo 2 and photo 4"
                ],
                "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": 17700,
            "output_tokens": 722,
            "total_tokens": 18422,
            "estimated_cost_usd": 0.008813
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18034,
            "output_tokens": 1133,
            "total_tokens": 19167,
            "estimated_cost_usd": 0.004513
        }
    ]
}