Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.785,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item is clearly a handbag with a shoulder strap and zip-top opening."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag.",
        "photo 1: Glossy embossed surface and decorative patterned replacement strap are more consistent with a modern generic fashion bag than vintage Coach glove-tanned leather.",
        "photo 1: The silhouette is a generic soft hobo\/crossbody shape and does not show a recognizable vintage Coach closure or construction detail.",
        "photo 1: The listing is presented as unbranded and provides only a stock-style front image, with no identifying interior or hardware views.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: zip-top slouchy hobo with knotted double shoulder straps and detachable patterned guitar-strap crossbody strap - not a vintage Coach catalog silhouette, closure, or strap system",
        "photo 1: smooth high-sheen coated leather-look material unlike matte glove-tanned cowhide with suede back",
        "photo 1: bright gold-tone plated zipper and rings, not solid vintage brass turnlock \/ dogleash hardware"
    ],
    "missing_information": [
        "A straight-on interior photograph showing any creed patch, fabric tag, or brand label.",
        "Close-up photographs of the zipper pulls, strap attachments, and all hardware.",
        "Photos of the back, bottom, corners, and interior condition.",
        "A close-up of any embossed or stamped markings that may be hidden by the image angle.",
        "photo 1 only studio front view: no interior, creed, bottom, back, or hardware close-up views to verify maker",
        "interior lining and any brand \/ fabric tags not shown",
        "zipper-pull brand stamp and hardware engravings not visible"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifiers are visible, so the bag cannot be supported as Coach and appears to be a generic lookalike.",
        "photo 1: The glossy, heavily embossed exterior is inconsistent with the usual matte-to-satin glove-tanned leather of classic vintage Coach styles."
    ],
    "possible_model_reasoning": [
        "photo 1: The soft zip-top hobo silhouette does not sufficiently match a specific Coach catalog model, and no Coach identifier is visible.",
        "photo 1: No era can be established from the available image; the glossy material, modern styling, and extra patterned strap suggest modern production rather than a pre-2000 Coach classic.",
        "Condition cannot be reliably graded because only a staged front view is provided; interior, bottom, corners, odor, and functional hardware are unknown.",
        "photo 1 matches modern unbranded zip hobo with guitar strap, not any 1970s-1990s Coach classic (City, Willis, Court, Station, Duffle, Ergo) in closure, strap, or hardware",
        "no Coach hard identifier visible to decode for era or style; construction points to modern non-Coach",
        "Condition: appears New\/unused studio stock image, but single image only so condition grade capped by missing views"
    ],
    "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: A visible top zipper with small metal pull; no Coach engraving is legible. Strap attachments and buckle hardware appear gold-tone, but details are limited.",
        "leather_description": "photo 1: Brown, highly glossy, soft-looking embossed or textured material; composition cannot be confirmed from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long narrow shoulder strap attached at both sides with looped\/knot-like leather fittings; an additional wide patterned detachable strap with metal clips is shown in front.",
        "stitching_description": "photo 1: Basic perimeter stitching is visible in places, but resolution and lighting do not support a detailed construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.03,
                "image_quality_score": 0.61,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item is clearly a handbag with a shoulder strap and zip-top opening."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 1: Glossy embossed surface and decorative patterned replacement strap are more consistent with a modern generic fashion bag than vintage Coach glove-tanned leather.",
                    "photo 1: The silhouette is a generic soft hobo\/crossbody shape and does not show a recognizable vintage Coach closure or construction detail.",
                    "photo 1: The listing is presented as unbranded and provides only a stock-style front image, with no identifying interior or hardware views."
                ],
                "missing_information": [
                    "A straight-on interior photograph showing any creed patch, fabric tag, or brand label.",
                    "Close-up photographs of the zipper pulls, strap attachments, and all hardware.",
                    "Photos of the back, bottom, corners, and interior condition.",
                    "A close-up of any embossed or stamped markings that may be hidden by the image angle."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifiers are visible, so the bag cannot be supported as Coach and appears to be a generic lookalike.",
                    "photo 1: The glossy, heavily embossed exterior is inconsistent with the usual matte-to-satin glove-tanned leather of classic vintage Coach styles."
                ],
                "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: A visible top zipper with small metal pull; no Coach engraving is legible. Strap attachments and buckle hardware appear gold-tone, but details are limited.",
                    "leather_description": "photo 1: Brown, highly glossy, soft-looking embossed or textured material; composition cannot be confirmed from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long narrow shoulder strap attached at both sides with looped\/knot-like leather fittings; an additional wide patterned detachable strap with metal clips is shown in front.",
                    "stitching_description": "photo 1: Basic perimeter stitching is visible in places, but resolution and lighting do not support a detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: The soft zip-top hobo silhouette does not sufficiently match a specific Coach catalog model, and no Coach identifier is visible.",
                    "photo 1: No era can be established from the available image; the glossy material, modern styling, and extra patterned strap suggest modern production rather than a pre-2000 Coach classic.",
                    "Condition cannot be reliably graded because only a staged front view is provided; interior, bottom, corners, odor, and functional hardware are unknown."
                ],
                "confidence": 0.72,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only studio front view: no interior, creed, bottom, back, or hardware close-up views to verify maker",
                    "interior lining and any brand \/ fabric tags not shown",
                    "zipper-pull brand stamp and hardware engravings not visible"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: zip-top slouchy hobo with knotted double shoulder straps and detachable patterned guitar-strap crossbody strap - not a vintage Coach catalog silhouette, closure, or strap system",
                    "photo 1: smooth high-sheen coated leather-look material unlike matte glove-tanned cowhide with suede back",
                    "photo 1: bright gold-tone plated zipper and rings, not solid vintage brass turnlock \/ dogleash hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zip-top zipper and small D-rings; thin, bright plated appearance, no turnlock, no visible COACH engraving",
                    "leather_description": "tan \/ cognac brown soft slouchy material with high-gloss coated sheen, no visible glove-tanned grain or patina; appears modern fast-fashion leather-look",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edge seams only, no observable vintage Coach stitching characteristics",
                    "strap_construction": "thin double shoulder straps with wrapped-knot attachments to D-rings plus separate detachable wide patterned webbing crossbody strap with adjustment buckle and push-gate clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 matches modern unbranded zip hobo with guitar strap, not any 1970s-1990s Coach classic (City, Willis, Court, Station, Duffle, Ergo) in closure, strap, or hardware",
                    "no Coach hard identifier visible to decode for era or style; construction points to modern non-Coach",
                    "Condition: appears New\/unused studio stock image, but single image only so condition grade capped by missing views"
                ],
                "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": 16826,
            "output_tokens": 800,
            "total_tokens": 17626,
            "estimated_cost_usd": 0.00865
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17226,
            "output_tokens": 1118,
            "total_tokens": 18344,
            "estimated_cost_usd": 0.00434
        }
    ]
}