Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.77,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 4: The bag has a generic perforated\/spot-pattern metallic exterior and no visible Coach wordmark, horse-and-carriage, or recognizable vintage Coach construction.",
        "photo 2: The shiny silver-tone swivel clips and rings are modern-looking and inconsistent with the solid brass hardware typical of many vintage Coach classics.",
        "photo 6: The visible interior is black fabric, with no visible leather creed patch or Coach fabric label.",
        "photos 1-5: The exterior appears metallic-coated or synthetic rather than classic glove-tanned cowhide.",
        "photo 1-5: brown metallic-coated perforated leather with glittery finish, not vintage Coach glove-tanned cowhide",
        "photo 2,4: dark gunmetal \/ nickel-tone large O-rings and trigger clips, not vintage solid brass",
        "photo 6: black fabric lining with zip pocket, not unlined suede-back glove-tanned classic interior",
        "photo 3-4: zip-top hobo with wide exterior slit pocket and detachable short strap, no catalog Coach classic silhouette, turnlock, or bead-chain hangtag",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket seam to confirm whether any brand or creed label is present.",
        "Close-ups of zipper pulls, hardware, and strap attachment points.",
        "Clear bottom, side, and corner photos for condition assessment.",
        "Seller-stated material composition; the photos do not establish whether the exterior is leather or synthetic.",
        "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photos 1-6",
        "close-up of hardware engravings \/ zipper-pull brand stamp",
        "bottom corners and exterior back zip pocket not shown clearly"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided photos.",
        "The modern metallic finish, perforated decorative pattern, silver-tone hardware, and fabric lining do not match the usual construction profile of a vintage Coach classic.",
        "This appears more consistent with a generic contemporary metallic shoulder bag than a Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible features. The large shoulder-bag silhouette and multiple exterior\/interior pockets are generic and not sufficient for Coach attribution.",
        "Condition appears approximately Very Good based on the clean-looking exterior and intact visible hardware, but the bottom, corners, odor, and detailed interior condition are incompletely documented.",
        "No Coach hard identifier visible in any photo: no creed patch, no serial, no wordmark, no hangtag, no solid-brass turnlock",
        "Construction points away from Coach: metallic coated perforated material + gunmetal hardware + black fabric lining is inconsistent with 1970s-1990s unlined glove-tanned brass classics and with 2000s Signature canvas lines",
        "Silhouette is a modern zip-top metallic hobo with exterior slit pocket, not matching City Bag, Willis, Court, Station, Duffle or other catalog classics",
        "Condition: Like New \/ Excellent per photos - metallic surface looks intact, interior clean (photo 6), seller states great like new; no bottom-corner wear visible but bottom view limited"
    ],
    "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 4: Silver-tone swivel clips, rings, and strap hardware are visible; no Coach engraving is legible. A turnlock is not visible.",
        "leather_description": "photos 1, 3, 4, and 5: Brown metallic, textured\/perforated-looking exterior material; whether genuine leather or synthetic is not_visible.",
        "lining_description": "photo 6: Black fabric lining is visible, with interior compartments\/pockets; no creed or brand label is visible.",
        "strap_construction": "photos 2-4: Detachable shoulder strap attached with swivel clips and rings; seller states an approximately 8-inch drop, not verified by measurement.",
        "stitching_description": "photos 1-6: Visible machine stitching appears generally even; detailed stress-point stitching is not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 4: The bag has a generic perforated\/spot-pattern metallic exterior and no visible Coach wordmark, horse-and-carriage, or recognizable vintage Coach construction.",
                    "photo 2: The shiny silver-tone swivel clips and rings are modern-looking and inconsistent with the solid brass hardware typical of many vintage Coach classics.",
                    "photo 6: The visible interior is black fabric, with no visible leather creed patch or Coach fabric label.",
                    "photos 1-5: The exterior appears metallic-coated or synthetic rather than classic glove-tanned cowhide."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket seam to confirm whether any brand or creed label is present.",
                    "Close-ups of zipper pulls, hardware, and strap attachment points.",
                    "Clear bottom, side, and corner photos for condition assessment.",
                    "Seller-stated material composition; the photos do not establish whether the exterior is leather or synthetic."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided photos.",
                    "The modern metallic finish, perforated decorative pattern, silver-tone hardware, and fabric lining do not match the usual construction profile of a vintage Coach classic.",
                    "This appears more consistent with a generic contemporary metallic shoulder bag than a Coach bag."
                ],
                "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 4: Silver-tone swivel clips, rings, and strap hardware are visible; no Coach engraving is legible. A turnlock is not visible.",
                    "leather_description": "photos 1, 3, 4, and 5: Brown metallic, textured\/perforated-looking exterior material; whether genuine leather or synthetic is not_visible.",
                    "lining_description": "photo 6: Black fabric lining is visible, with interior compartments\/pockets; no creed or brand label is visible.",
                    "strap_construction": "photos 2-4: Detachable shoulder strap attached with swivel clips and rings; seller states an approximately 8-inch drop, not verified by measurement.",
                    "stitching_description": "photos 1-6: Visible machine stitching appears generally even; detailed stress-point stitching is not fully assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible features. The large shoulder-bag silhouette and multiple exterior\/interior pockets are generic and not sufficient for Coach attribution.",
                    "Condition appears approximately Very Good based on the clean-looking exterior and intact visible hardware, but the bottom, corners, odor, and detailed interior condition are incompletely documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photos 1-6",
                    "close-up of hardware engravings \/ zipper-pull brand stamp",
                    "bottom corners and exterior back zip pocket not shown clearly"
                ],
                "negative_evidence": [
                    "photo 1-5: brown metallic-coated perforated leather with glittery finish, not vintage Coach glove-tanned cowhide",
                    "photo 2,4: dark gunmetal \/ nickel-tone large O-rings and trigger clips, not vintage solid brass",
                    "photo 6: black fabric lining with zip pocket, not unlined suede-back glove-tanned classic interior",
                    "photo 3-4: zip-top hobo with wide exterior slit pocket and detachable short strap, no catalog Coach classic silhouette, turnlock, or bead-chain hangtag",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone large O-rings and lobster \/ trigger-clasp strap clips, zip-top with fabric-tape zipper; no brass, no turnlock, no stamps legible",
                    "leather_description": "brown metallic \/ bronze-coated leather with all-over darker dot \/ perforated-like pattern and glittery side panels; not smooth glove-tanned cowhide",
                    "lining_description": "black fabric lining in interior, with interior zip pocket visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not clearly legible; appears tone-matched, no evidence of vintage Coach stitching detail",
                    "strap_construction": "detachable short shoulder strap on large metal rings with trigger clips, 8-inch drop per seller; flat metallic strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in any photo: no creed patch, no serial, no wordmark, no hangtag, no solid-brass turnlock",
                    "Construction points away from Coach: metallic coated perforated material + gunmetal hardware + black fabric lining is inconsistent with 1970s-1990s unlined glove-tanned brass classics and with 2000s Signature canvas lines",
                    "Silhouette is a modern zip-top metallic hobo with exterior slit pocket, not matching City Bag, Willis, Court, Station, Duffle or other catalog classics",
                    "Condition: Like New \/ Excellent per photos - metallic surface looks intact, interior clean (photo 6), seller states great like new; no bottom-corner wear visible but bottom view limited"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17772,
            "output_tokens": 811,
            "total_tokens": 18583,
            "estimated_cost_usd": 0.009055
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18110,
            "output_tokens": 1305,
            "total_tokens": 19415,
            "estimated_cost_usd": 0.004666
        }
    ]
}