Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.64,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.89,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly constructed as a leather shoulder\/crossbody handbag with a flap closure and adjustable strap",
        "photo 2: visible tape measure suggests approximately 10 inches wide, consistent with a small shoulder bag",
        "photo 5: substantial leather and brass-tone hardware are compatible with some vintage handbags, but are not Coach-specific",
        "photo 1,2,3: leather flap shoulder \/ crossbody handbag ~10 in wide per tape measure - is a handbag"
    ],
    "negative_evidence": [
        "photo 6: interior stamp visibly reads \"GENUINE SPLIT COWHIDE,\" not a Coach creed or Coach wordmark",
        "photos 1-5: extensive floral tooling, western styling, decorative whipstitching, and a generic rectangular turnlock do not match the listed classic Coach catalog silhouettes",
        "photos 1-5: no Coach wordmark, horse-and-carriage, leather Coach hangtag, or recognizable Coach construction detail is visible",
        "photo 6: the interior is finished with smooth coated-looking material and lacks the typical readable Coach creed patch",
        "photo 1: the hardware appears decorative and blocky rather than the elegant vintage Coach turnlock geometry",
        "photo 1,2,3: all-over hand-tooled western floral embossing - never a vintage Coach glove-tanned finish",
        "photo 1,2,3: whipstitch \/ lacing around flap edge - not Coach construction",
        "photo 5: stamp reads GENUINE SPLIT COWHIDE - not a Coach creed, cartouche or wordmark",
        "photo 1-4: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1,4: small oval twist-lock, not Coach Cashin turnlock geometry with wide thin backplate and slim tab"
    ],
    "missing_information": [
        "photo request: straight-on close-up of every interior wall and pocket to confirm there is no additional brand label or creed",
        "photo request: bottom, side, and strap-attachment close-ups",
        "photo request: close-up of all hardware and any zipper or closure stamps",
        "seller-stated dimensions and country of manufacture, if known",
        "interior compartment \/ lining not fully shown - photo 4 shows only flap underside",
        "bottom and back exterior views not shown",
        "no Coach creed close-up possible - no creed observed"
    ],
    "authenticity_concerns": [
        "photo 6: the only visible interior identifier describes generic split cowhide and provides no Coach attribution",
        "photos 1-5: the bag is best classified as an unbranded or non-Coach tooled leather western bag; the decorative styling should not be treated as Coach evidence"
    ],
    "possible_model_reasoning": [
        "No Coach model is a good match: the floral tooling, decorative whipstitch edging, and generic turning closure are unlike the listed City Bag, Court, Willis, Station, or Dinky designs.",
        "photo 6: \"GENUINE SPLIT COWHIDE\" is a material description, not a Coach creed; no serial or style number is visible.",
        "Era is uncertain from construction alone. The seller's 1970s claim is unverified, and the smooth interior finish and generic construction could also reflect later production.",
        "Condition: Good; visible leather creasing and edge wear are present, while strap and hardware function cannot be fully verified from photos. Bottom and full interior condition are not shown.",
        "No Coach model fits: tooled western floral body, laced flap edge, twist-lock and split-cowhide stamp are inconsistent with any Classic glove-tanned catalog style (City Bag, Willis, Court, Dinky, etc.)",
        "Era reasoning: styling marketed as 1970s Boho Western is plausible for a generic tooled bag, but for output contract non-Coach bags use modern (2000s+), non-Coach",
        "Condition: Very Good; leather glossy with light wear, edges intact (photo 1-3), flap underside creased (photo 4), strap intact with buckle holes unstretched (photo 6); interior, bottom corners and odor unknown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1 and photo 6: brass-tone rectangular turning closure; no brand engraving visible. photo 7: plain adjustable rectangular buckle.",
        "leather_description": "photos 1-7: reddish-brown heavily floral-tooled leather with darkened recessed tooling and visible edge wear\/creasing; photo 6: interior stamp says \"GENUINE SPLIT COWHIDE.\"",
        "lining_description": "photo 6: smooth brown interior material is visible; no textile lining or Coach creed is shown.",
        "strap_construction": "photos 1, 2, 3, and 7: long narrow adjustable leather shoulder strap with punched holes and a plain rectangular buckle.",
        "stitching_description": "photos 1-6: prominent contrasting whipstitching around flap and body edges; stitching appears decorative and consistent with western tooled-bag construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.68,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly constructed as a leather shoulder\/crossbody handbag with a flap closure and adjustable strap",
                    "photo 2: visible tape measure suggests approximately 10 inches wide, consistent with a small shoulder bag",
                    "photo 5: substantial leather and brass-tone hardware are compatible with some vintage handbags, but are not Coach-specific"
                ],
                "negative_evidence": [
                    "photo 6: interior stamp visibly reads \"GENUINE SPLIT COWHIDE,\" not a Coach creed or Coach wordmark",
                    "photos 1-5: extensive floral tooling, western styling, decorative whipstitching, and a generic rectangular turnlock do not match the listed classic Coach catalog silhouettes",
                    "photos 1-5: no Coach wordmark, horse-and-carriage, leather Coach hangtag, or recognizable Coach construction detail is visible",
                    "photo 6: the interior is finished with smooth coated-looking material and lacks the typical readable Coach creed patch",
                    "photo 1: the hardware appears decorative and blocky rather than the elegant vintage Coach turnlock geometry"
                ],
                "missing_information": [
                    "photo request: straight-on close-up of every interior wall and pocket to confirm there is no additional brand label or creed",
                    "photo request: bottom, side, and strap-attachment close-ups",
                    "photo request: close-up of all hardware and any zipper or closure stamps",
                    "seller-stated dimensions and country of manufacture, if known"
                ],
                "authenticity_concerns": [
                    "photo 6: the only visible interior identifier describes generic split cowhide and provides no Coach attribution",
                    "photos 1-5: the bag is best classified as an unbranded or non-Coach tooled leather western bag; the decorative styling should not be treated as Coach evidence"
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1 and photo 6: brass-tone rectangular turning closure; no brand engraving visible. photo 7: plain adjustable rectangular buckle.",
                    "leather_description": "photos 1-7: reddish-brown heavily floral-tooled leather with darkened recessed tooling and visible edge wear\/creasing; photo 6: interior stamp says \"GENUINE SPLIT COWHIDE.\"",
                    "lining_description": "photo 6: smooth brown interior material is visible; no textile lining or Coach creed is shown.",
                    "strap_construction": "photos 1, 2, 3, and 7: long narrow adjustable leather shoulder strap with punched holes and a plain rectangular buckle.",
                    "stitching_description": "photos 1-6: prominent contrasting whipstitching around flap and body edges; stitching appears decorative and consistent with western tooled-bag construction."
                },
                "possible_model_reasoning": [
                    "No Coach model is a good match: the floral tooling, decorative whipstitch edging, and generic turning closure are unlike the listed City Bag, Court, Willis, Station, or Dinky designs.",
                    "photo 6: \"GENUINE SPLIT COWHIDE\" is a material description, not a Coach creed; no serial or style number is visible.",
                    "Era is uncertain from construction alone. The seller's 1970s claim is unverified, and the smooth interior finish and generic construction could also reflect later production.",
                    "Condition: Good; visible leather creasing and edge wear are present, while strap and hardware function cannot be fully verified from photos. Bottom and full interior condition are not shown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior compartment \/ lining not fully shown - photo 4 shows only flap underside",
                    "bottom and back exterior views not shown",
                    "no Coach creed close-up possible - no creed observed"
                ],
                "negative_evidence": [
                    "photo 1,2,3: all-over hand-tooled western floral embossing - never a vintage Coach glove-tanned finish",
                    "photo 1,2,3: whipstitch \/ lacing around flap edge - not Coach construction",
                    "photo 5: stamp reads GENUINE SPLIT COWHIDE - not a Coach creed, cartouche or wordmark",
                    "photo 1-4: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1,4: small oval twist-lock, not Coach Cashin turnlock geometry with wide thin backplate and slim tab"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone small oval twist-lock (photo 1) with rectangular keeper on flap underside (photo 4); brass-tone buckle on strap (photo 6); not Coach solid-brass turnlock geometry",
                    "leather_description": "reddish-brown tooled \/ embossed floral western leather with darkened lowlights, glossy finish; photo 5 stamped split cowhide, not glove-tanned full-grain",
                    "lining_description": "photo 4: smooth brown flap underside; main compartment interior not emptied\/shown - not_visible for full lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark whipstitch \/ lacing around flap perimeter (photo 1-4); straight seam stitching on body; no Coach matched-thread stitching observed",
                    "strap_construction": "photo 6: narrow flat leather crossbody strap with buckle adjustment holes, suede-like back; fixed to bag sides",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1,2,3: leather flap shoulder \/ crossbody handbag ~10 in wide per tape measure - is a handbag"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled western floral body, laced flap edge, twist-lock and split-cowhide stamp are inconsistent with any Classic glove-tanned catalog style (City Bag, Willis, Court, Dinky, etc.)",
                    "Era reasoning: styling marketed as 1970s Boho Western is plausible for a generic tooled bag, but for output contract non-Coach bags use modern (2000s+), non-Coach",
                    "Condition: Very Good; leather glossy with light wear, edges intact (photo 1-3), flap underside creased (photo 4), strap intact with buckle holes unstretched (photo 6); interior, bottom corners and odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28781,
            "output_tokens": 969,
            "total_tokens": 29750,
            "estimated_cost_usd": 0.013838
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30095,
            "output_tokens": 1464,
            "total_tokens": 31559,
            "estimated_cost_usd": 0.00719
        }
    ]
}