Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.56,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.845,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather handbag with a flap, shoulder strap, turnlock-style closure, and suede-like interior.",
        "photo 1: substantial leather construction and brass-tone closure are compatible with some vintage handbags, though not specifically diagnostic of Coach.",
        "photo 1-4: leather flap shoulder bag with turnlock closure, general vintage leather-bag population where misidentified Coach hides",
        "photo 5: unlined suede-back interior consistent with unlined construction, but not specific to Coach"
    ],
    "negative_evidence": [
        "photo 1: extensive floral\/chili-pepper tooling and braided whipstitch trim are not characteristic of the classic Coach catalog models in the reference set.",
        "photo 2: closure is a small rectangular plated fitting rather than the distinctive vintage Coach oval or rounded-rectangle turnlock geometry.",
        "photo 5: interior view shows suede-like lining but no visible Coach creed, wordmark, country line, or serial.",
        "photo 1: no Coach horse-and-carriage mark or leather Coach hangtag is visible.",
        "photo 3: broad whipstitched side construction and the tooled decorative panels suggest an artisan or generic Western\/Mexican-style leather bag rather than Coach.",
        "photo 1,2,4: all-over hand-tooled and hand-painted leaves and red chili peppers - Coach classics are plain glove-tanned, never pictorial tooled",
        "photo 1,2,4: whipstitch \/ laced edge trim around flap and body - not Coach classic construction",
        "photo 1,2: square blocky bright gold-tone turnlock, not thin oval solid-brass Coach turnlock with rounded keeper",
        "photo 5: no creed patch visible on suede interior in only interior view",
        "photo 1-4: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 5: interior should be photographed fully emptied, including all walls, pockets, and seams, to confirm whether any label or creed is hidden.",
        "photo 2: close-up of the turnlock front and back, including any engraving.",
        "photo 4: full strap, attachment points, buckle holes, and underside are not shown in detail.",
        "photo 3: close-up of stitching, edge construction, and all four bottom corners would help identify the maker and condition.",
        "seller-stated dimensions are available, but no maker, country, or provenance information is provided.",
        "photo of interior back wall \/ slip pocket straight-on for creed patch - photo 5 shows only suede and turnlock back plate",
        "close-up of turnlock front and back plate and strap hardware tone",
        "close-up of any maker stamp, hangtag, or interior label",
        "bottom and corner close-ups to grade wear"
    ],
    "authenticity_concerns": [
        "photo 5: no Coach identifier is visible; the bag should be treated as an unbranded leather handbag rather than a Coach candidate.",
        "photo 1: decorative tooling, whipstitching, and closure design do not form a recognizable Coach model match.",
        "photo 2: the visible closure is generic-looking and does not show the expected geometry of a vintage Coach turnlock.",
        "photo 1-2: hand-tooled chili-pepper pictorial decoration has no counterpart in Coach catalog 1960s-2000s",
        "photo 1-2: blocky square gold-tone turnlock inconsistent with Coach vintage solid-brass oval turnlock geometry"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the coach probability is below 0.10 and no Coach identifier is visible.",
        "photo 1\/photo 2: the 11-by-10-by-3-inch flap silhouette could superficially resemble a vintage crossbody, but the tooling, whipstitch trim, and closure do not match a specific listed Coach model.",
        "Condition: Good to Very Good; visible patina, surface marks, and leather variations are present, while major structural damage is not apparent. Interior, odor, mold, strap wear, and full bottom condition remain incompletely assessed.",
        "No Coach model fits: tooled pictorial finish and laced edges have no match in Classic glove-tanned catalog (City Bag 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375 etc. are all plain leather)",
        "No serial, creed, wordmark or hangtag to decode; era cannot be dated as Coach; silhouette suggests artisan \/ Mexican tooled souvenir bag 1970s-1990s type",
        "Condition: Very Good to Good; firm structured body photo 1-4, light spotting and strap darkening, interior not fully shown so lining unknown and grade capped"
    ],
    "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: small rectangular brass-tone plated turnlock-style closure; no brand engraving is visible.",
        "leather_description": "photo 1: firm reddish-brown leather with extensive floral and chili-pepper tooling, dyed accents, and visible patina or surface variation.",
        "lining_description": "photo 5: suede-like tan interior is visible; full lining and any labels are not shown.",
        "strap_construction": "photo 2\/photo 4: long narrow leather shoulder strap attached at the sides; detailed attachment and adjustment construction are not fully visible.",
        "stitching_description": "photo 1\/photo 3: prominent braided or whipstitched leather trim runs around the flap, body, and side edges; stitching is generally even in the visible areas."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0053,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured leather handbag with a flap, shoulder strap, turnlock-style closure, and suede-like interior.",
                    "photo 1: substantial leather construction and brass-tone closure are compatible with some vintage handbags, though not specifically diagnostic of Coach."
                ],
                "negative_evidence": [
                    "photo 1: extensive floral\/chili-pepper tooling and braided whipstitch trim are not characteristic of the classic Coach catalog models in the reference set.",
                    "photo 2: closure is a small rectangular plated fitting rather than the distinctive vintage Coach oval or rounded-rectangle turnlock geometry.",
                    "photo 5: interior view shows suede-like lining but no visible Coach creed, wordmark, country line, or serial.",
                    "photo 1: no Coach horse-and-carriage mark or leather Coach hangtag is visible.",
                    "photo 3: broad whipstitched side construction and the tooled decorative panels suggest an artisan or generic Western\/Mexican-style leather bag rather than Coach."
                ],
                "missing_information": [
                    "photo 5: interior should be photographed fully emptied, including all walls, pockets, and seams, to confirm whether any label or creed is hidden.",
                    "photo 2: close-up of the turnlock front and back, including any engraving.",
                    "photo 4: full strap, attachment points, buckle holes, and underside are not shown in detail.",
                    "photo 3: close-up of stitching, edge construction, and all four bottom corners would help identify the maker and condition.",
                    "seller-stated dimensions are available, but no maker, country, or provenance information is provided."
                ],
                "authenticity_concerns": [
                    "photo 5: no Coach identifier is visible; the bag should be treated as an unbranded leather handbag rather than a Coach candidate.",
                    "photo 1: decorative tooling, whipstitching, and closure design do not form a recognizable Coach model match.",
                    "photo 2: the visible closure is generic-looking and does not show the expected geometry of a vintage Coach turnlock."
                ],
                "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: small rectangular brass-tone plated turnlock-style closure; no brand engraving is visible.",
                    "leather_description": "photo 1: firm reddish-brown leather with extensive floral and chili-pepper tooling, dyed accents, and visible patina or surface variation.",
                    "lining_description": "photo 5: suede-like tan interior is visible; full lining and any labels are not shown.",
                    "strap_construction": "photo 2\/photo 4: long narrow leather shoulder strap attached at the sides; detailed attachment and adjustment construction are not fully visible.",
                    "stitching_description": "photo 1\/photo 3: prominent braided or whipstitched leather trim runs around the flap, body, and side edges; stitching is generally even in the visible areas."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the coach probability is below 0.10 and no Coach identifier is visible.",
                    "photo 1\/photo 2: the 11-by-10-by-3-inch flap silhouette could superficially resemble a vintage crossbody, but the tooling, whipstitch trim, and closure do not match a specific listed Coach model.",
                    "Condition: Good to Very Good; visible patina, surface marks, and leather variations are present, while major structural damage is not apparent. Interior, odor, mold, strap wear, and full bottom condition remain incompletely assessed."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-2: hand-tooled chili-pepper pictorial decoration has no counterpart in Coach catalog 1960s-2000s",
                    "photo 1-2: blocky square gold-tone turnlock inconsistent with Coach vintage solid-brass oval turnlock geometry"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch - photo 5 shows only suede and turnlock back plate",
                    "close-up of turnlock front and back plate and strap hardware tone",
                    "close-up of any maker stamp, hangtag, or interior label",
                    "bottom and corner close-ups to grade wear"
                ],
                "negative_evidence": [
                    "photo 1,2,4: all-over hand-tooled and hand-painted leaves and red chili peppers - Coach classics are plain glove-tanned, never pictorial tooled",
                    "photo 1,2,4: whipstitch \/ laced edge trim around flap and body - not Coach classic construction",
                    "photo 1,2: square blocky bright gold-tone turnlock, not thin oval solid-brass Coach turnlock with rounded keeper",
                    "photo 5: no creed patch visible on suede interior in only interior view",
                    "photo 1-4: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone square rectangular turnlock with center bar, photo 1-2; back plate rivets visible photo 5; tone looks plated and blocky, not vintage solid-brass oval Coach turnlock",
                    "leather_description": "tan \/ British-tan-like firm smooth leather with hand-tooled and tinted leaf and red chili-pepper design on front and flap, photo 1-2-4; whipstitch laced edges; patina and some spots",
                    "lining_description": "unlined suede-back interior visible photo 5, tan suede-like, no fabric lining shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitching visible; edges finished with leather whipstitch lacing, photo 1-4",
                    "strap_construction": "long flat narrow leather shoulder strap, photo 1,3,4, appears non-adjustable in views shown, attachment not shown",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-4: leather flap shoulder bag with turnlock closure, general vintage leather-bag population where misidentified Coach hides",
                    "photo 5: unlined suede-back interior consistent with unlined construction, but not specific to Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled pictorial finish and laced edges have no match in Classic glove-tanned catalog (City Bag 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375 etc. are all plain leather)",
                    "No serial, creed, wordmark or hangtag to decode; era cannot be dated as Coach; silhouette suggests artisan \/ Mexican tooled souvenir bag 1970s-1990s type",
                    "Condition: Very Good to Good; firm structured body photo 1-4, light spotting and strap darkening, interior not fully shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17659,
            "output_tokens": 1026,
            "total_tokens": 18685,
            "estimated_cost_usd": 0.009526
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18165,
            "output_tokens": 1505,
            "total_tokens": 19670,
            "estimated_cost_usd": 0.004837
        }
    ]
}