Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.19,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.83,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather or leather-like crossbody handbag with a flap and adjustable shoulder strap",
        "photo 1,2,3: leather handbag with all-leather unlined interior",
        "photo 2,3: solid-appearing base-metal buckle hardware consistent with vintage-style leather bag"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch",
        "photo 2: front closure is a conventional buckle strap rather than a recognizable Coach turnlock",
        "photo 1: prominent all-over embossed\/embossed-looking decorative pattern and contrast stitching do not match the typical unmarked glove-tanned construction of classic Coach styles",
        "photo 3: hardware appears silver or gunmetal rather than the solid brass commonly found on comparable vintage Coach classics",
        "photo 4: interior appears fabric-lined and includes a modern zippered compartment; no Coach identification is visible",
        "photo 5: measured height is approximately 10 inches, but no Coach-specific silhouette or construction feature is apparent",
        "photo 1,2,3,4: no turnlock present, closure is center buckle strap - not Coach classic turnlock geometry",
        "photo 3: no creed patch visible on interior back wall \/ slip pocket area shown",
        "photo 1,2,3,4,5: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 2,3,4: contrast light-tan stitching around flap and pocket, not tone-on-tone Coach stitching",
        "photo 4: vertical exterior back zip pocket with black coil zipper, not Talon\/YKK brass Coach configuration"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for a possible creed patch or fabric label",
        "Close-ups of all hardware, zipper pulls, and strap attachment points",
        "Bottom, side, and corner photos",
        "Seller-stated material composition and country of manufacture",
        "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
        "close-up of zipper pull brand stamp and buckle hardware",
        "photo of bottom and corners and strap buckle holes"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided photos, so the bag should be treated as an unbranded lookalike rather than a Coach candidate",
        "The patterned, lined construction and non-turnlock buckle closure are inconsistent with the classic unlined glove-tanned Coach styles most resembling this silhouette"
    ],
    "possible_model_reasoning": [
        "The rectangular flap crossbody silhouette is broadly similar to many generic messenger bags, but it does not closely establish a named Coach model such as the City Bag, Stewardess, or Rambler's Legacy.",
        "No visible creed, serial\/style number, Coach wordmark, or characteristic Coach turnlock prevents a Coach model match.",
        "Condition: Good; visible creasing, surface scuffs, dark marks, and general wear in photos 1-5; interior is shown but lining condition is only partially assessable.",
        "No Coach catalog silhouette matches: buckle-flap saddle messenger with exterior back vertical zip and contrast stitching is not City Bag (9790), Willis (9927), Court (9870), Station (5130), Chelsea Crossbody (8810) or other classics which use turnlock or magnetic snap closures",
        "No hard identifiers (creed, serial, wordmark, hangtag, turnlock) to decode era or model",
        "Condition: Good to Very Good; surface creasing and patina, ink mark on front pocket (photo 2), no corner wear-through shown, strap appears intact"
    ],
    "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": "Visible buckle closure, strap adjusters, and side rings in a dull silver\/gunmetal tone; no Coach engraving is visible.",
        "leather_description": "Brown leather or leather-like material with a glossy, heavily textured\/embossed decorative surface; visible creasing, scuffs, and darker wear marks.",
        "lining_description": "Brown patterned fabric or synthetic lining is visible in the open interior; no label or creed is legible.",
        "strap_construction": "Wide adjustable crossbody strap attached with side rings and buckle\/slider hardware; appears stitched and leather or leather-like.",
        "stitching_description": "Visible contrasting tan stitching is generally even, though the construction is not identifiable as Coach-specific."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather or leather-like crossbody handbag with a flap and adjustable shoulder strap"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch",
                    "photo 2: front closure is a conventional buckle strap rather than a recognizable Coach turnlock",
                    "photo 1: prominent all-over embossed\/embossed-looking decorative pattern and contrast stitching do not match the typical unmarked glove-tanned construction of classic Coach styles",
                    "photo 3: hardware appears silver or gunmetal rather than the solid brass commonly found on comparable vintage Coach classics",
                    "photo 4: interior appears fabric-lined and includes a modern zippered compartment; no Coach identification is visible",
                    "photo 5: measured height is approximately 10 inches, but no Coach-specific silhouette or construction feature is apparent"
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket for a possible creed patch or fabric label",
                    "Close-ups of all hardware, zipper pulls, and strap attachment points",
                    "Bottom, side, and corner photos",
                    "Seller-stated material composition and country of manufacture"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided photos, so the bag should be treated as an unbranded lookalike rather than a Coach candidate",
                    "The patterned, lined construction and non-turnlock buckle closure are inconsistent with the classic unlined glove-tanned Coach styles most resembling this silhouette"
                ],
                "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": "Visible buckle closure, strap adjusters, and side rings in a dull silver\/gunmetal tone; no Coach engraving is visible.",
                    "leather_description": "Brown leather or leather-like material with a glossy, heavily textured\/embossed decorative surface; visible creasing, scuffs, and darker wear marks.",
                    "lining_description": "Brown patterned fabric or synthetic lining is visible in the open interior; no label or creed is legible.",
                    "strap_construction": "Wide adjustable crossbody strap attached with side rings and buckle\/slider hardware; appears stitched and leather or leather-like.",
                    "stitching_description": "Visible contrasting tan stitching is generally even, though the construction is not identifiable as Coach-specific."
                },
                "possible_model_reasoning": [
                    "The rectangular flap crossbody silhouette is broadly similar to many generic messenger bags, but it does not closely establish a named Coach model such as the City Bag, Stewardess, or Rambler's Legacy.",
                    "No visible creed, serial\/style number, Coach wordmark, or characteristic Coach turnlock prevents a Coach model match.",
                    "Condition: Good; visible creasing, surface scuffs, dark marks, and general wear in photos 1-5; interior is shown but lining condition is only partially assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
                    "close-up of zipper pull brand stamp and buckle hardware",
                    "photo of bottom and corners and strap buckle holes"
                ],
                "negative_evidence": [
                    "photo 1,2,3,4: no turnlock present, closure is center buckle strap - not Coach classic turnlock geometry",
                    "photo 3: no creed patch visible on interior back wall \/ slip pocket area shown",
                    "photo 1,2,3,4,5: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 2,3,4: contrast light-tan stitching around flap and pocket, not tone-on-tone Coach stitching",
                    "photo 4: vertical exterior back zip pocket with black coil zipper, not Talon\/YKK brass Coach configuration"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone buckle on front strap, dark metal strap rings and zipper pulls; no turnlock, no dogleash clips, no COACH engraving visible",
                    "leather_description": "distressed medium-dark brown leather with wrinkled grain and patina variation, soft slouchy hand",
                    "lining_description": "unlined leather interior in tan-brown, interior zip pocket visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast tan-gold stitching around flap edge and front pocket, double rows in places",
                    "strap_construction": "long narrow crossbody strap, buckle-adjustable, attached with metal rings at sides",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,3: leather handbag with all-leather unlined interior",
                    "photo 2,3: solid-appearing base-metal buckle hardware consistent with vintage-style leather bag"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: buckle-flap saddle messenger with exterior back vertical zip and contrast stitching is not City Bag (9790), Willis (9927), Court (9870), Station (5130), Chelsea Crossbody (8810) or other classics which use turnlock or magnetic snap closures",
                    "No hard identifiers (creed, serial, wordmark, hangtag, turnlock) to decode era or model",
                    "Condition: Good to Very Good; surface creasing and patina, ink mark on front pocket (photo 2), no corner wear-through shown, strap appears intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28371,
            "output_tokens": 813,
            "total_tokens": 29184,
            "estimated_cost_usd": 0.0133
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29664,
            "output_tokens": 1131,
            "total_tokens": 30795,
            "estimated_cost_usd": 0.006838
        }
    ]
}