Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.285,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.7,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder tote with a top zipper and multiple exterior seam\/pocket details.",
        "photo 2: leather surface and stitching are visible at useful resolution.",
        "photo 1: the seller's description of genuine leather is broadly consistent with the visible material, though the material claim is not independently verified."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier.",
        "photo 1: silver-tone hardware and prominent cream contrast stitching are not characteristic evidence for a classic vintage Coach glove-tanned leather bag.",
        "photo 1: the silhouette and diagonal exterior seam design appear generic rather than clearly matching a listed vintage Coach model.",
        "photo 3: close-up shows generic construction and contrast stitching but no Coach stamping or distinctive Coach hardware.",
        "photo 1: hardware appears plated silver-tone rather than the solid brass commonly associated with classic 1970s\u20131990s Coach styles.",
        "photo 1: silver-tone hardware - vintage Coach classics use solid brass throughout, nickel only on rare late-90s variants",
        "photo 1, 2, 3: chunky cream\/off-white contrast double-row topstitching - vintage Coach uses thread matched to leather",
        "photo 1: slouchy zip-top double-shoulder-strap tote with exterior diagonal zip pocket and front slip pocket - no turnlock closure and does not match City Bag, Willis, Court, Station, Stewardess, Duffle Sac or other catalog classic silhouettes",
        "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "Interior view, including the back wall, pockets, lining, labels, and any creed patch.",
        "Close-up of every zipper pull, hardware piece, and strap attachment for possible markings.",
        "Bottom, side panels, all corners, and full strap construction.",
        "Any leather or fabric label, country-of-origin tag, or interior serial\/style tag.",
        "Seller-stated dimensions and a straight-on front and back view.",
        "photo 1-3 only: interior \/ lining not shown - request emptied interior, interior walls\/pockets and any brand\/creed patch or fabric tags",
        "creed patch close-up in raking light not shown",
        "bottom, back, side views and all corners not shown",
        "hardware close-ups: zipper pull brand stamp, strap rivets\/anchors, zip pocket pull not shown",
        "strap full length, buckle holes and fold points not shown",
        "seller-stated dimensions and weight not provided"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, so the bag currently reads as an unbranded or generic leather tote rather than a Coach model.",
        "photo 1: the silver-tone hardware and decorative contrast topstitching do not establish Coach manufacture and are more consistent with a later generic fashion bag."
    ],
    "possible_model_reasoning": [
        "The slouchy zip-top tote silhouette does not closely establish a specific Coach catalog model, and no Coach identifier is visible.",
        "The silver-tone hardware and high-contrast exterior seam design lean toward a modern 2000s-or-later generic fashion tote rather than a classic vintage Coach style.",
        "Condition appears Very Good from the visible exterior: intact stitching and no obvious major tears, but creasing is visible and the interior, bottom, corners, and odor cannot be evaluated.",
        "No Coach identifier visible in photo 1-3: no creed, no wordmark, no hangtag, no turnlock, no brass dogleash clips",
        "Construction inconsistent with vintage Coach: silver hardware + contrast stitching + zip-top multi-pocket slouchy tote points to 90s\/Y2K mall \/ department-store brand e.g. Fossil, Tignanello-type or unbranded, not Coach classics",
        "No style-number decode possible - no serial visible",
        "Condition: Very Good exterior - leather clean and supple with intact stitching in photo 1-3, light surface sheen variation; capped at Very Good because interior, bottom\/corners, strap fold points and odor\/mold unknown and no interior shown"
    ],
    "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: silver-tone zipper and strap hardware are visible; no Coach engraving is legible. A turning-tab lock and leather hangtag are not visible.",
        "leather_description": "photos 1-3: smooth black leather or leather-like material with a relatively uniform finish, visible creasing, and a soft\/slouchy structure. Genuine leather cannot be confirmed from photos alone.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two long shoulder straps attached with small metal fittings; full underside, adjustment details, and attachment construction are not shown.",
        "stitching_description": "photos 1-3: prominent cream\/off-white double-row contrast stitching, generally even in the visible areas; some seam intersections and interior stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.22,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder tote with a top zipper and multiple exterior seam\/pocket details.",
                    "photo 2: leather surface and stitching are visible at useful resolution.",
                    "photo 1: the seller's description of genuine leather is broadly consistent with the visible material, though the material claim is not independently verified."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier.",
                    "photo 1: silver-tone hardware and prominent cream contrast stitching are not characteristic evidence for a classic vintage Coach glove-tanned leather bag.",
                    "photo 1: the silhouette and diagonal exterior seam design appear generic rather than clearly matching a listed vintage Coach model.",
                    "photo 3: close-up shows generic construction and contrast stitching but no Coach stamping or distinctive Coach hardware.",
                    "photo 1: hardware appears plated silver-tone rather than the solid brass commonly associated with classic 1970s\u20131990s Coach styles."
                ],
                "missing_information": [
                    "Interior view, including the back wall, pockets, lining, labels, and any creed patch.",
                    "Close-up of every zipper pull, hardware piece, and strap attachment for possible markings.",
                    "Bottom, side panels, all corners, and full strap construction.",
                    "Any leather or fabric label, country-of-origin tag, or interior serial\/style tag.",
                    "Seller-stated dimensions and a straight-on front and back view."
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, so the bag currently reads as an unbranded or generic leather tote rather than a Coach model.",
                    "photo 1: the silver-tone hardware and decorative contrast topstitching do not establish Coach manufacture and are more consistent with a later generic fashion 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 1: silver-tone zipper and strap hardware are visible; no Coach engraving is legible. A turning-tab lock and leather hangtag are not visible.",
                    "leather_description": "photos 1-3: smooth black leather or leather-like material with a relatively uniform finish, visible creasing, and a soft\/slouchy structure. Genuine leather cannot be confirmed from photos alone.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two long shoulder straps attached with small metal fittings; full underside, adjustment details, and attachment construction are not shown.",
                    "stitching_description": "photos 1-3: prominent cream\/off-white double-row contrast stitching, generally even in the visible areas; some seam intersections and interior stitching are not shown."
                },
                "possible_model_reasoning": [
                    "The slouchy zip-top tote silhouette does not closely establish a specific Coach catalog model, and no Coach identifier is visible.",
                    "The silver-tone hardware and high-contrast exterior seam design lean toward a modern 2000s-or-later generic fashion tote rather than a classic vintage Coach style.",
                    "Condition appears Very Good from the visible exterior: intact stitching and no obvious major tears, but creasing is visible and the interior, bottom, corners, and odor cannot be evaluated."
                ],
                "confidence": 0.62,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-3 only: interior \/ lining not shown - request emptied interior, interior walls\/pockets and any brand\/creed patch or fabric tags",
                    "creed patch close-up in raking light not shown",
                    "bottom, back, side views and all corners not shown",
                    "hardware close-ups: zipper pull brand stamp, strap rivets\/anchors, zip pocket pull not shown",
                    "strap full length, buckle holes and fold points not shown",
                    "seller-stated dimensions and weight not provided"
                ],
                "negative_evidence": [
                    "photo 1: silver-tone hardware - vintage Coach classics use solid brass throughout, nickel only on rare late-90s variants",
                    "photo 1, 2, 3: chunky cream\/off-white contrast double-row topstitching - vintage Coach uses thread matched to leather",
                    "photo 1: slouchy zip-top double-shoulder-strap tote with exterior diagonal zip pocket and front slip pocket - no turnlock closure and does not match City Bag, Willis, Court, Station, Stewardess, Duffle Sac or other catalog classic silhouettes",
                    "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone hardware; zip-top closure with dark zipper tape; strap rivets appear silver-tone; no engraving legible; not solid brass vintage Coach hardware",
                    "leather_description": "black smooth genuine leather with soft slouchy drape and light sheen; visible grain in close-ups photo 2-3; not glove-tanned baseball-glove patina with suede back shown",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "cream\/off-white contrast double-row topstitching outlining panels, visible photo 1-3; even but contrasting color, not tone-on-tone Coach construction",
                    "strap_construction": "double fixed shoulder straps in same black leather with contrast edge stitching and rivet anchors; full length, underside and adjustment not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in photo 1-3: no creed, no wordmark, no hangtag, no turnlock, no brass dogleash clips",
                    "Construction inconsistent with vintage Coach: silver hardware + contrast stitching + zip-top multi-pocket slouchy tote points to 90s\/Y2K mall \/ department-store brand e.g. Fossil, Tignanello-type or unbranded, not Coach classics",
                    "No style-number decode possible - no serial visible",
                    "Condition: Very Good exterior - leather clean and supple with intact stitching in photo 1-3, light surface sheen variation; capped at Very Good because interior, bottom\/corners, strap fold points and odor\/mold unknown and no interior shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16737,
            "output_tokens": 885,
            "total_tokens": 17622,
            "estimated_cost_usd": 0.008819
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17160,
            "output_tokens": 1436,
            "total_tokens": 18596,
            "estimated_cost_usd": 0.004581
        }
    ]
}