Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.045,
    "vintage_probability": 0.24,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.775,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-like tan handbag material is visible.",
        "photo 2: The object has a conventional clutch\/handbag silhouette.",
        "photo 3: A detachable-looking shoulder strap and handheld profile are visible.",
        "photo 2, photo 3: leather handbag\/clutch form that warrants check for misidentified vintage",
        "photo 1: stitched leather seam construction, not obvious synthetic"
    ],
    "negative_evidence": [
        "photo 2: No COACH wordmark, horse-and-carriage, hangtag, or other Coach branding is visible.",
        "photo 3: The soft ruched construction and wide foldover flap do not specifically match a recognizable vintage Coach classic.",
        "photo 4: The interior is fabric-lined, whereas many classic vintage Coach glove-tanned bags are unlined suede-backed leather.",
        "photo 4: The visible zipper and lining provide no readable Coach identifier.",
        "Listing text identifies the item as Letisse\/no brand, but this is seller-stated evidence and is not independently verified from the photos.",
        "photo 2, photo 3: foldover clutch with ruched sides and magnetic closure - no turnlock, no solid-brass vintage Coach hardware geometry",
        "photo 4: fabric-lined interior, not unlined suede-back glove-tanned leather expected on vintage Coach classics",
        "photo 1, photo 2, photo 3: thin soft smooth beige\/tan leather, not thick matte glove-tanned cowhide with natural grain\/patina",
        "photo 3: silver-tone wristlet strap with small lobster-type clasp, not brass dogleash clips or buckle-adjustable Coach strap",
        "no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible in any photo"
    ],
    "missing_information": [
        "Straight-on photo of any interior leather creed patch or fabric label.",
        "Close-up of all interior pockets, seams, and zipper pull.",
        "Photos of the bottom, corners, strap attachments, and closure hardware.",
        "Close-up of any exterior or interior brand stamp.",
        "photo 4 interior shows no creed patch but only partial view - need straight-on photo of interior walls\/pockets and any stamped leather patch or fabric tags",
        "close-up of hardware stamps on wrist-strap clasp and zipper pull with brand marks",
        "front\/back\/bottom\/side views with scale and strap detail to confirm construction",
        "hangtag or brand label if present - none shown"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, and the lining and ruched fashion-clutch construction are more consistent with a generic or other-brand bag than a vintage Coach classic.",
        "The available photos do not support a Coach model, era, or serial-number consistency check."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported by the visible silhouette or hardware.",
        "photo 4: The fabric-lined interior and zippered, ruched clutch construction are more consistent with an unbranded\/Letisse-style fashion handbag than with a classic unlined Coach flap model.",
        "Condition: Good to Very Good; visible creasing and handling wear are present (photos 1-3), while no major tears or broken hardware are visible. Interior and bottom condition are only partly shown.",
        "No Coach catalog silhouette matches: ruched magnetic foldover wristlet clutch with fabric lining and silver-tone hardware is inconsistent with 1970s-1990s glove-tanned turnlock classics (City Bag, Dinky, Convertible Clutch, etc.)",
        "No hard identifiers visible to decode era or style; construction points to modern non-Coach",
        "Condition: Good to Very Good; soft leather with creasing and light marks (photo 1, photo 2), lining wrinkled but no major damage shown; interior stains\/hardware function and bottom corners not fully shown so capped"
    ],
    "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 3: A small metal strap attachment and zipper hardware are visible; no Coach engraving or classic Coach turnlock is visible.",
        "leather_description": "photo 1: Smooth, soft-looking tan leather or leather-like material with ruched gathering and visible creasing; exact leather type is not determinable.",
        "lining_description": "photo 4: Light beige\/taupe fabric lining is visible, with a zippered opening; no brand label is visible.",
        "strap_construction": "photo 3: A long narrow dark strap and a tan handheld\/shoulder strap are visible; attachment and construction details are limited.",
        "stitching_description": "photo 1: Visible stitching appears generally even along the curved seam, but detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0036,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-like tan handbag material is visible.",
                    "photo 2: The object has a conventional clutch\/handbag silhouette.",
                    "photo 3: A detachable-looking shoulder strap and handheld profile are visible."
                ],
                "negative_evidence": [
                    "photo 2: No COACH wordmark, horse-and-carriage, hangtag, or other Coach branding is visible.",
                    "photo 3: The soft ruched construction and wide foldover flap do not specifically match a recognizable vintage Coach classic.",
                    "photo 4: The interior is fabric-lined, whereas many classic vintage Coach glove-tanned bags are unlined suede-backed leather.",
                    "photo 4: The visible zipper and lining provide no readable Coach identifier.",
                    "Listing text identifies the item as Letisse\/no brand, but this is seller-stated evidence and is not independently verified from the photos."
                ],
                "missing_information": [
                    "Straight-on photo of any interior leather creed patch or fabric label.",
                    "Close-up of all interior pockets, seams, and zipper pull.",
                    "Photos of the bottom, corners, strap attachments, and closure hardware.",
                    "Close-up of any exterior or interior brand stamp."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, and the lining and ruched fashion-clutch construction are more consistent with a generic or other-brand bag than a vintage Coach classic.",
                    "The available photos do not support a Coach model, era, or serial-number consistency check."
                ],
                "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 3: A small metal strap attachment and zipper hardware are visible; no Coach engraving or classic Coach turnlock is visible.",
                    "leather_description": "photo 1: Smooth, soft-looking tan leather or leather-like material with ruched gathering and visible creasing; exact leather type is not determinable.",
                    "lining_description": "photo 4: Light beige\/taupe fabric lining is visible, with a zippered opening; no brand label is visible.",
                    "strap_construction": "photo 3: A long narrow dark strap and a tan handheld\/shoulder strap are visible; attachment and construction details are limited.",
                    "stitching_description": "photo 1: Visible stitching appears generally even along the curved seam, but detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported by the visible silhouette or hardware.",
                    "photo 4: The fabric-lined interior and zippered, ruched clutch construction are more consistent with an unbranded\/Letisse-style fashion handbag than with a classic unlined Coach flap model.",
                    "Condition: Good to Very Good; visible creasing and handling wear are present (photos 1-3), while no major tears or broken hardware are visible. Interior and bottom condition are only partly shown."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 4 interior shows no creed patch but only partial view - need straight-on photo of interior walls\/pockets and any stamped leather patch or fabric tags",
                    "close-up of hardware stamps on wrist-strap clasp and zipper pull with brand marks",
                    "front\/back\/bottom\/side views with scale and strap detail to confirm construction",
                    "hangtag or brand label if present - none shown"
                ],
                "negative_evidence": [
                    "photo 2, photo 3: foldover clutch with ruched sides and magnetic closure - no turnlock, no solid-brass vintage Coach hardware geometry",
                    "photo 4: fabric-lined interior, not unlined suede-back glove-tanned leather expected on vintage Coach classics",
                    "photo 1, photo 2, photo 3: thin soft smooth beige\/tan leather, not thick matte glove-tanned cowhide with natural grain\/patina",
                    "photo 3: silver-tone wristlet strap with small lobster-type clasp, not brass dogleash clips or buckle-adjustable Coach strap",
                    "no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible in any photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone small clasp on wristlet strap visible in photo 2 and photo 3; zipper teeth visible inside top edge in photo 4, pull brand not visible; no turnlock, no brass hardware visible",
                    "leather_description": "smooth thin soft beige\/tan leather with sheen and ruching at sides, visible creasing and surface wear; not thick matte glove-tanned cowhide",
                    "lining_description": "beige\/tan fabric lining visible in photo 4, wrinkled textile, no leather suede back visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin tonal stitching along curved side seam visible in photo 1; otherwise not close enough to assess evenness or stress points",
                    "strap_construction": "short thin wristlet wrist strap in matching leather with metal clasp attachment, photo 2 and photo 3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2, photo 3: leather handbag\/clutch form that warrants check for misidentified vintage",
                    "photo 1: stitched leather seam construction, not obvious synthetic"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: ruched magnetic foldover wristlet clutch with fabric lining and silver-tone hardware is inconsistent with 1970s-1990s glove-tanned turnlock classics (City Bag, Dinky, Convertible Clutch, etc.)",
                    "No hard identifiers visible to decode era or style; construction points to modern non-Coach",
                    "Condition: Good to Very Good; soft leather with creasing and light marks (photo 1, photo 2), lining wrinkled but no major damage shown; interior stains\/hardware function and bottom corners not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17134,
            "output_tokens": 795,
            "total_tokens": 17929,
            "estimated_cost_usd": 0.008762
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17596,
            "output_tokens": 1288,
            "total_tokens": 18884,
            "estimated_cost_usd": 0.00455
        }
    ]
}