Vintage Coach Hunter

{
    "is_handbag_probability": 0.94,
    "coach_probability": 0.055,
    "vintage_probability": 0.09,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.28,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.41,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A leather-looking handbag body, shoulder strap, and zipper compartment are visible.",
        "photo 1: The listing is categorized as a women's handbag and the seller identifies it as leather, though this is seller-stated rather than independently verified."
    ],
    "negative_evidence": [
        "photo 1: The visible hardware is dark gunmetal or black rather than the solid brass commonly associated with classic vintage Coach.",
        "photo 1: The bag has heavily crosshatched\/embossed leather and a generic zippered construction, not a recognizable classic Coach silhouette.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
        "photo 1: The visible zipper and hardware do not show a legible Coach stamp.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: leather is brown crosshatch-embossed \/ snakeskin-like, not smooth glove-tanned cowhide",
        "photo 1: hardware is dark gunmetal-tone rings, grommet and coil zipper, not solid brass vintage hardware",
        "photo 1: no turnlock; side-cinch grommet construction does not match vintage Coach catalog silhouettes"
    ],
    "missing_information": [
        "photo 1: Full exterior front and back views are needed to assess the silhouette and branding.",
        "photo 1: Interior view, especially the back wall, slip pocket, and any creed patch, is missing.",
        "photo 1: Close-up photos of the zipper pull, hardware, strap attachments, and any labels are needed.",
        "photo 1: Bottom, corners, lining, and country-of-manufacture details are not shown.",
        "photo 1: Seller-stated dimensions, material composition, and condition details are needed.",
        "creed patch \/ interior views not shown - photo 1 shows only partial exterior side",
        "front, back, bottom, full silhouette and scale not shown - all photos are same cropped view",
        "turnlock, hangtag, wordmark, zipper-brand stamp not shown",
        "lining, strap attachment and full strap length not shown",
        "seller-stated dimensions and hardware close-ups needed"
    ],
    "authenticity_concerns": [
        "photo 1: Dark plated-looking hardware and generic embossed construction are more consistent with a modern lookalike or non-Coach bag than a classic vintage Coach bag.",
        "photo 1: The absence of any visible Coach identifier prevents meaningful authentication assessment."
    ],
    "possible_model_reasoning": [
        "photo 1: No Coach model can be matched confidently from the partial close-up; the visible zippered, embossed brown bag does not strongly correspond to the classic Coach catalog silhouettes.",
        "photo 1: Era is estimated as modern (2000s+), non-Coach based on dark hardware, embossed texture, and lack of vintage Coach identifiers; this is provisional because the interior and full exterior are absent.",
        "photo 1: Condition appears approximately Good to Very Good in the visible area because of pronounced creasing and surface wear, but corners, lining, strap condition, and odor cannot be assessed.",
        "No Coach identifier visible in photo 1: no creed, serial, wordmark, hangtag, or brass turnlock",
        "Construction cues point away from Coach: embossed leather, dark-tone hardware, coil zipper vs unlined glove-tanned + solid brass classics",
        "Silhouette fragment with exterior zip pocket and side grommet-cinch does not match City Bag, Willis, Court, Station, Duffle Sac or other catalog styles",
        "Condition: cannot grade; only partial exterior shown, no corners, bottom, interior or strap detail"
    ],
    "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: Dark gunmetal\/black-toned ring and strap hardware plus a dark zipper; no branding is legible.",
        "leather_description": "photo 1: Brown leather-looking material with pronounced small crosshatch embossing; surface appears worn and creased. Exact material cannot be confirmed from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Narrow adjustable-looking shoulder strap attached through dark ring hardware; full construction and adjustment details are not visible.",
        "stitching_description": "photo 1: Perimeter stitching is visible in places but the image is too close and dark to assess consistency reliably."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.93,
                "coach_probability": 0.08,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.31,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A leather-looking handbag body, shoulder strap, and zipper compartment are visible.",
                    "photo 1: The listing is categorized as a women's handbag and the seller identifies it as leather, though this is seller-stated rather than independently verified."
                ],
                "negative_evidence": [
                    "photo 1: The visible hardware is dark gunmetal or black rather than the solid brass commonly associated with classic vintage Coach.",
                    "photo 1: The bag has heavily crosshatched\/embossed leather and a generic zippered construction, not a recognizable classic Coach silhouette.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
                    "photo 1: The visible zipper and hardware do not show a legible Coach stamp."
                ],
                "missing_information": [
                    "photo 1: Full exterior front and back views are needed to assess the silhouette and branding.",
                    "photo 1: Interior view, especially the back wall, slip pocket, and any creed patch, is missing.",
                    "photo 1: Close-up photos of the zipper pull, hardware, strap attachments, and any labels are needed.",
                    "photo 1: Bottom, corners, lining, and country-of-manufacture details are not shown.",
                    "photo 1: Seller-stated dimensions, material composition, and condition details are needed."
                ],
                "authenticity_concerns": [
                    "photo 1: Dark plated-looking hardware and generic embossed construction are more consistent with a modern lookalike or non-Coach bag than a classic vintage Coach bag.",
                    "photo 1: The absence of any visible Coach identifier prevents meaningful authentication assessment."
                ],
                "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: Dark gunmetal\/black-toned ring and strap hardware plus a dark zipper; no branding is legible.",
                    "leather_description": "photo 1: Brown leather-looking material with pronounced small crosshatch embossing; surface appears worn and creased. Exact material cannot be confirmed from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Narrow adjustable-looking shoulder strap attached through dark ring hardware; full construction and adjustment details are not visible.",
                    "stitching_description": "photo 1: Perimeter stitching is visible in places but the image is too close and dark to assess consistency reliably."
                },
                "possible_model_reasoning": [
                    "photo 1: No Coach model can be matched confidently from the partial close-up; the visible zippered, embossed brown bag does not strongly correspond to the classic Coach catalog silhouettes.",
                    "photo 1: Era is estimated as modern (2000s+), non-Coach based on dark hardware, embossed texture, and lack of vintage Coach identifiers; this is provisional because the interior and full exterior are absent.",
                    "photo 1: Condition appears approximately Good to Very Good in the visible area because of pronounced creasing and surface wear, but corners, lining, strap condition, and odor cannot be assessed."
                ],
                "confidence": 0.27,
                "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": 0.03,
                "confidence": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.25,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "creed patch \/ interior views not shown - photo 1 shows only partial exterior side",
                    "front, back, bottom, full silhouette and scale not shown - all photos are same cropped view",
                    "turnlock, hangtag, wordmark, zipper-brand stamp not shown",
                    "lining, strap attachment and full strap length not shown",
                    "seller-stated dimensions and hardware close-ups needed"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: leather is brown crosshatch-embossed \/ snakeskin-like, not smooth glove-tanned cowhide",
                    "photo 1: hardware is dark gunmetal-tone rings, grommet and coil zipper, not solid brass vintage hardware",
                    "photo 1: no turnlock; side-cinch grommet construction does not match vintage Coach catalog silhouettes"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone metal rings and grommet at side, dark coil zipper; not solid brass, no COACH stamping visible",
                    "leather_description": "brown embossed leather with small crosshatch \/ reptile-like grain, soft slouchy drape; not smooth glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on trim but detail limited by crop and lighting",
                    "strap_construction": "thin shoulder straps partially visible at top edge; attachment and full length not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in photo 1: no creed, serial, wordmark, hangtag, or brass turnlock",
                    "Construction cues point away from Coach: embossed leather, dark-tone hardware, coil zipper vs unlined glove-tanned + solid brass classics",
                    "Silhouette fragment with exterior zip pocket and side grommet-cinch does not match City Bag, Willis, Court, Station, Duffle Sac or other catalog styles",
                    "Condition: cannot grade; only partial exterior shown, no corners, bottom, interior or strap detail"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33094,
            "output_tokens": 814,
            "total_tokens": 33908,
            "estimated_cost_usd": 0.015191
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35565,
            "output_tokens": 1233,
            "total_tokens": 36798,
            "estimated_cost_usd": 0.008099
        }
    ]
}