Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.865,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: substantial brown leather satchel\/crossbody construction and an adjustable shoulder strap are visible.",
        "photo 2: the bag has a functional multi-compartment handbag layout."
    ],
    "negative_evidence": [
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photo 1: the front closure is a generic rectangular clasp rather than a recognizable vintage Coach turnlock.",
        "photo 1: the leather appears heavily finished and the edge construction\/stitching look unlike the typical unlined glove-tanned Coach classic.",
        "photo 6: bright green fabric lining is visible, which is inconsistent with many classic unlined 1970s\u20131990s Coach silhouettes.",
        "photo 1: the large messenger\/saddle-bag silhouette and hardware do not closely match the listed vintage Coach catalog models.",
        "photo 3: visible wear, scuffing, and uneven coloration suggest ordinary used condition rather than providing Coach-specific evidence.",
        "photo 1,4,5: closure is small rectangular tuck\/clip clasp with riveted tab, not Coach turnlock geometry",
        "photo 6: bright green woven fabric lining with top zip pocket, not unlined suede-back glove-tanned Coach classic interior",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any view",
        "photo 1,4: distressed saddle-bag silhouette with exterior rivets and buckle-adjust strap does not match any Coach catalog style"
    ],
    "missing_information": [
        "Straight-on interior back-wall and pocket photos to confirm whether any creed or brand label exists.",
        "Close-up photos of every interior label, zipper pull, clasp, and strap hardware.",
        "Bottom, corner, and strap-fold photos for condition assessment.",
        "Seller-stated dimensions, country of manufacture, and any brand markings not visible in the listing photos.",
        "photo 6: interior shows no creed patch but no straight-on creed-area close-up in raking light",
        "photo 1-5: no hangtag, wordmark, or hardware engraving visible - close-ups of clasp, buckle and strap ends needed to confirm maker",
        "photo 2-3,6: no bottom, side and corner close-ups for full condition grade"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and has generic hardware and construction, making it more consistent with an unbranded leather bag than a Coach product.",
        "The fabric-lined construction and rectangular clasp do not provide a consistent match to a classic vintage Coach glove-tanned model."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic large messenger or travel saddle bag and does not closely correspond to a supported Coach model; no Coach model is proposed.",
        "Estimated era is modern (2000s+), non-Coach based on the fabric-lined compartmental construction, generic rectangular clasp, and lack of vintage Coach identifiers.",
        "Condition appears Good: visible creasing, scuffs, and uneven coloration in photos 1, 3, and 4; interior is shown in photo 6 but odor, hidden wear, and bottom condition remain unknown.",
        "No Coach identifier visible in 6 photos despite interior views (photos 2,3,6) where creed would sit; construction (fabric lining, non-turnlock clasp) inconsistent with vintage Coach classics",
        "Silhouette is modern distressed saddle\/messenger crossbody of Indian handmade type, not a Coach City Bag, Court, Station, Willis, Dinky or other catalog style",
        "Condition: Like New \/ Mint appearance; uniform finish, no corner wear visible, interior clean (photo 6), but bottom corners not shown so 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: brass-tone rectangular buckle and small rectangular front clasp; no Coach engraving is visible. photo 3: additional plain metal fasteners are visible.",
        "leather_description": "photo 1: brown leather or leather-like material with a smooth, finished surface, visible creasing, scuffs, and uneven darkening; exact leather type cannot be confirmed.",
        "lining_description": "photo 6: bright green fabric lining with multiple compartments and zipper sections; no brand label is visible.",
        "strap_construction": "photos 1 and 4: wide adjustable leather shoulder strap with a plain rectangular buckle and stitched edges.",
        "stitching_description": "photos 1 and 4: generally even machine stitching around the edges, but no Coach-specific construction detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "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: substantial brown leather satchel\/crossbody construction and an adjustable shoulder strap are visible.",
                    "photo 2: the bag has a functional multi-compartment handbag layout."
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photo 1: the front closure is a generic rectangular clasp rather than a recognizable vintage Coach turnlock.",
                    "photo 1: the leather appears heavily finished and the edge construction\/stitching look unlike the typical unlined glove-tanned Coach classic.",
                    "photo 6: bright green fabric lining is visible, which is inconsistent with many classic unlined 1970s\u20131990s Coach silhouettes.",
                    "photo 1: the large messenger\/saddle-bag silhouette and hardware do not closely match the listed vintage Coach catalog models.",
                    "photo 3: visible wear, scuffing, and uneven coloration suggest ordinary used condition rather than providing Coach-specific evidence."
                ],
                "missing_information": [
                    "Straight-on interior back-wall and pocket photos to confirm whether any creed or brand label exists.",
                    "Close-up photos of every interior label, zipper pull, clasp, and strap hardware.",
                    "Bottom, corner, and strap-fold photos for condition assessment.",
                    "Seller-stated dimensions, country of manufacture, and any brand markings not visible in the listing photos."
                ],
                "authenticity_concerns": [
                    "The bag lacks any visible Coach identifier and has generic hardware and construction, making it more consistent with an unbranded leather bag than a Coach product.",
                    "The fabric-lined construction and rectangular clasp do not provide a consistent match to a classic vintage Coach glove-tanned model."
                ],
                "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: brass-tone rectangular buckle and small rectangular front clasp; no Coach engraving is visible. photo 3: additional plain metal fasteners are visible.",
                    "leather_description": "photo 1: brown leather or leather-like material with a smooth, finished surface, visible creasing, scuffs, and uneven darkening; exact leather type cannot be confirmed.",
                    "lining_description": "photo 6: bright green fabric lining with multiple compartments and zipper sections; no brand label is visible.",
                    "strap_construction": "photos 1 and 4: wide adjustable leather shoulder strap with a plain rectangular buckle and stitched edges.",
                    "stitching_description": "photos 1 and 4: generally even machine stitching around the edges, but no Coach-specific construction detail is visible."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic large messenger or travel saddle bag and does not closely correspond to a supported Coach model; no Coach model is proposed.",
                    "Estimated era is modern (2000s+), non-Coach based on the fabric-lined compartmental construction, generic rectangular clasp, and lack of vintage Coach identifiers.",
                    "Condition appears Good: visible creasing, scuffs, and uneven coloration in photos 1, 3, and 4; interior is shown in photo 6 but odor, hidden wear, and bottom condition remain unknown."
                ],
                "confidence": 0.88,
                "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": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior shows no creed patch but no straight-on creed-area close-up in raking light",
                    "photo 1-5: no hangtag, wordmark, or hardware engraving visible - close-ups of clasp, buckle and strap ends needed to confirm maker",
                    "photo 2-3,6: no bottom, side and corner close-ups for full condition grade"
                ],
                "negative_evidence": [
                    "photo 1,4,5: closure is small rectangular tuck\/clip clasp with riveted tab, not Coach turnlock geometry",
                    "photo 6: bright green woven fabric lining with top zip pocket, not unlined suede-back glove-tanned Coach classic interior",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any view",
                    "photo 1,4: distressed saddle-bag silhouette with exterior rivets and buckle-adjust strap does not match any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone hardware: front tuck\/clip clasp on riveted tab, strap buckle slide and D-rings; plated tone, not solid vintage brass turnlock",
                    "leather_description": "medium-brown distressed smooth leather with mottled finish, flap and body with edge stitching",
                    "lining_description": "green woven fabric lining visible in photo 6 with interior zip pocket and slip divider",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even edge stitching around flap perimeter in matching brown thread, visible in photos 1,4,5",
                    "strap_construction": "wide flat leather crossbody strap, buckle-adjustable, fixed to body with D-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in 6 photos despite interior views (photos 2,3,6) where creed would sit; construction (fabric lining, non-turnlock clasp) inconsistent with vintage Coach classics",
                    "Silhouette is modern distressed saddle\/messenger crossbody of Indian handmade type, not a Coach City Bag, Court, Station, Willis, Dinky or other catalog style",
                    "Condition: Like New \/ Mint appearance; uniform finish, no corner wear visible, interior clean (photo 6), but bottom corners not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20890,
            "output_tokens": 844,
            "total_tokens": 21734,
            "estimated_cost_usd": 0.010382
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21664,
            "output_tokens": 1285,
            "total_tokens": 22949,
            "estimated_cost_usd": 0.005361
        }
    ]
}