Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.885,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.73,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.845,
    "confidence": 0.75,
    "recommended_max_bid": 16,
    "estimated_resale_low": 20,
    "estimated_resale_high": 50,
    "possible_models": [
        "Patent Chain Tote (20404)"
    ],
    "positive_evidence": [
        "Photo 2: sewn rectangular leather creed patch visibly carries the COACH wordmark and the standard modern Coach craftsmanship text.",
        "Photo 6: attached leather hangtag visibly appears embossed with COACH.",
        "Photos 1-5: structured patent-leather tote construction, matching burgundy leather trim, gold-tone hardware, and interior zip construction are consistent with a modern Coach patent bag.",
        "photo 2: rectangular patent creed patch sewn in lining with COACH lozenge and horse-and-carriage header and multi-line THIS IS A COACH BAG text plus No. line",
        "photo 2: serial line reads as KF1276-20404, consistent with late 2006-2014 format with F-outlet style 20404",
        "photo 6: patent leather hangtag embossed COACH on brass bead chain",
        "photo 1, photo 5: patent leather tote with chain-accent handles and zip top consistent with late 2000s-early 2010s Coach outlet patent totes",
        "photo 2: satin fabric lining and patent creed material consistent with 2000s patent \/ outlet construction, not vintage glove-tanned classic"
    ],
    "negative_evidence": [
        "Photo 1: glossy patent finish and visible wrinkling\/creasing indicate a modern coated or patent material rather than vintage glove-tanned leather.",
        "Photo 2: the creed number is present but too small and reflective to transcribe confidently.",
        "Listing description states there are marks and ink marks in an interior pocket; this is seller-reported rather than independently verifiable in the provided views.",
        "photo 1, photo 3, photo 5: scuffs \/ marks on patent exterior and ink marks in side pocket per seller description, condition issue not authenticity issue"
    ],
    "missing_information": [
        "Photo 2: a straight-on, sharply focused close-up of the entire creed and number line is needed to verify the code.",
        "Photo 2: the country-of-manufacture line is not clearly readable.",
        "Interior emptied close-up showing all pockets, lining condition, and the reported ink marks.",
        "Close-up of zipper pull and hardware markings.",
        "Bottom, corners, and full strap attachment views to assess wear and authenticity consistency.",
        "photo 2: straight-on high-resolution creed in raking light to verify full wording and No. KF1276-20404 vs K1276-F20404",
        "close-up of zipper pull brand stamp and hardware engravings",
        "interior zip pocket, side pocket with ink marks emptied, and full interior lining views",
        "seller-stated dimensions and bottom corner close-ups"
    ],
    "authenticity_concerns": [
        "The visible creed\/style-number area is reflective and difficult to read, so the code cannot be checked against the bag's construction or model.",
        "Patent\/coated leather, modern logo treatment, and the apparent F-style code indicate a modern or outlet-era product; this should not be treated as a vintage Coach bag.",
        "No clear contradiction or obvious replica marker is visible, but photos alone cannot establish authenticity.",
        "photo 2: creed text and serial not fully sharp, full verbatim transcription not possible, decode of KF1276-20404 uncertain and needs verification",
        "photo 2: F-prefix \/ outlet-style number requires verification that style 20404 matches this patent chain tote silhouette"
    ],
    "possible_model_reasoning": [
        "The silhouette is a patent-leather tote with chain-accented handles, but no legible style number or distinctive catalog feature permits a reliable model match.",
        "The modern creed, patent finish, and apparent F-style code are most consistent with the 2007-2014 Coach period, likely an outlet or factory style if the F prefix is confirmed.",
        "Condition: Good; visible creasing and surface marks are present in photos 1 and 3, while the seller reports interior ink marks. Interior and bottom wear remain incompletely documented.",
        "Serial decodes as likely K1276-F20404: K=Oct, 12=2012, plant 76, outlet style F20404; as stamped KF1276-20404, consistent with 2007-2014 outlet patent tote",
        "Silhouette, zip top, double patent handles with chain links and red patent + tan satin lining fits 2007-2014 Coach patent chain tote, style 20404 family",
        "Condition: Good; seller notes marks on exterior and ink marks in side pocket, patent scuffs and slouch visible in photo 1 and photo 3, rehab limited for patent and ink"
    ],
    "estimated_era": "2007-2014",
    "observed_features": {
        "creed_present": true,
        "serial_or_style_number_present": true,
        "coach_wordmark_present": true,
        "turnlock_present": false,
        "hangtag_present": true,
        "creed_text": "not_visible",
        "serial_or_style_number": "No. KF1276-20404",
        "hardware_description": "Photo 1 and photos 4-6: gold-tone chain-accented handles, rings, clips, and zipper hardware are visible; no hardware engraving is legible.",
        "leather_description": "Photos 1, 3, 4, and 5: glossy burgundy\/red patent or coated leather with substantial creasing and surface reflections; material is not vintage glove-tanned leather.",
        "lining_description": "Photo 2: light beige satin-like fabric lining is visible; interior has a zip compartment. Condition and ink marks are not fully assessable.",
        "strap_construction": "Photos 1 and 4: paired rolled leather handles attached with gold-tone chain and ring hardware; additional shoulder strap\/attachment hardware is visible in photo 5.",
        "stitching_description": "Photos 1, 4, and 6: generally regular burgundy stitching is visible around the handles, seams, and hangtag, though fine stitch quality is limited by image resolution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.86,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.68,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.84,
                "estimated_era": "2007-2014",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 2: sewn rectangular leather creed patch visibly carries the COACH wordmark and the standard modern Coach craftsmanship text.",
                    "Photo 6: attached leather hangtag visibly appears embossed with COACH.",
                    "Photos 1-5: structured patent-leather tote construction, matching burgundy leather trim, gold-tone hardware, and interior zip construction are consistent with a modern Coach patent bag."
                ],
                "negative_evidence": [
                    "Photo 1: glossy patent finish and visible wrinkling\/creasing indicate a modern coated or patent material rather than vintage glove-tanned leather.",
                    "Photo 2: the creed number is present but too small and reflective to transcribe confidently.",
                    "Listing description states there are marks and ink marks in an interior pocket; this is seller-reported rather than independently verifiable in the provided views."
                ],
                "missing_information": [
                    "Photo 2: a straight-on, sharply focused close-up of the entire creed and number line is needed to verify the code.",
                    "Photo 2: the country-of-manufacture line is not clearly readable.",
                    "Interior emptied close-up showing all pockets, lining condition, and the reported ink marks.",
                    "Close-up of zipper pull and hardware markings.",
                    "Bottom, corners, and full strap attachment views to assess wear and authenticity consistency."
                ],
                "authenticity_concerns": [
                    "The visible creed\/style-number area is reflective and difficult to read, so the code cannot be checked against the bag's construction or model.",
                    "Patent\/coated leather, modern logo treatment, and the apparent F-style code indicate a modern or outlet-era product; this should not be treated as a vintage Coach bag.",
                    "No clear contradiction or obvious replica marker is visible, but photos alone cannot establish authenticity."
                ],
                "observed_features": {
                    "creed_present": true,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": true,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": true,
                    "turnlock_present": false,
                    "hangtag_present": true,
                    "hardware_description": "Photo 1 and photos 4-6: gold-tone chain-accented handles, rings, clips, and zipper hardware are visible; no hardware engraving is legible.",
                    "leather_description": "Photos 1, 3, 4, and 5: glossy burgundy\/red patent or coated leather with substantial creasing and surface reflections; material is not vintage glove-tanned leather.",
                    "lining_description": "Photo 2: light beige satin-like fabric lining is visible; interior has a zip compartment. Condition and ink marks are not fully assessable.",
                    "strap_construction": "Photos 1 and 4: paired rolled leather handles attached with gold-tone chain and ring hardware; additional shoulder strap\/attachment hardware is visible in photo 5.",
                    "stitching_description": "Photos 1, 4, and 6: generally regular burgundy stitching is visible around the handles, seams, and hangtag, though fine stitch quality is limited by image resolution."
                },
                "possible_model_reasoning": [
                    "The silhouette is a patent-leather tote with chain-accented handles, but no legible style number or distinctive catalog feature permits a reliable model match.",
                    "The modern creed, patent finish, and apparent F-style code are most consistent with the 2007-2014 Coach period, likely an outlet or factory style if the F prefix is confirmed.",
                    "Condition: Good; visible creasing and surface marks are present in photos 1 and 3, while the seller reports interior ink marks. Interior and bottom wear remain incompletely documented."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 20,
                "estimated_resale_low": 25,
                "estimated_resale_high": 65
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: creed text and serial not fully sharp, full verbatim transcription not possible, decode of KF1276-20404 uncertain and needs verification",
                    "photo 2: F-prefix \/ outlet-style number requires verification that style 20404 matches this patent chain tote silhouette"
                ],
                "authenticity_confidence": 0.78,
                "coach_probability": 0.91,
                "confidence": 0.74,
                "estimated_era": "2007-2014",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.62,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 2: straight-on high-resolution creed in raking light to verify full wording and No. KF1276-20404 vs K1276-F20404",
                    "close-up of zipper pull brand stamp and hardware engravings",
                    "interior zip pocket, side pocket with ink marks emptied, and full interior lining views",
                    "seller-stated dimensions and bottom corner close-ups"
                ],
                "negative_evidence": [
                    "photo 1, photo 3, photo 5: scuffs \/ marks on patent exterior and ink marks in side pocket per seller description, condition issue not authenticity issue"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": true,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "gold-tone chain-link shoulder attachments, large O-rings, top zip with gold-tone pull; tone consistent across views, no turnlock",
                    "leather_description": "red \/ burgundy glossy patent leather with high shine, center seam and edge stitching visible in photo 1",
                    "lining_description": "tan \/ champagne satin fabric lining visible in photo 2",
                    "serial_or_style_number": "No. KF1276-20404",
                    "serial_or_style_number_present": true,
                    "stitching_description": "tone-matched edge stitching on body and handles, even where visible in photo 4 and photo 6",
                    "strap_construction": "double rolled patent top handles with gold-tone chain-link extensions attached via rings to body tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2: rectangular patent creed patch sewn in lining with COACH lozenge and horse-and-carriage header and multi-line THIS IS A COACH BAG text plus No. line",
                    "photo 2: serial line reads as KF1276-20404, consistent with late 2006-2014 format with F-outlet style 20404",
                    "photo 6: patent leather hangtag embossed COACH on brass bead chain",
                    "photo 1, photo 5: patent leather tote with chain-accent handles and zip top consistent with late 2000s-early 2010s Coach outlet patent totes",
                    "photo 2: satin fabric lining and patent creed material consistent with 2000s patent \/ outlet construction, not vintage glove-tanned classic"
                ],
                "possible_model_reasoning": [
                    "Serial decodes as likely K1276-F20404: K=Oct, 12=2012, plant 76, outlet style F20404; as stamped KF1276-20404, consistent with 2007-2014 outlet patent tote",
                    "Silhouette, zip top, double patent handles with chain links and red patent + tan satin lining fits 2007-2014 Coach patent chain tote, style 20404 family",
                    "Condition: Good; seller notes marks on exterior and ink marks in side pocket, patent scuffs and slouch visible in photo 1 and photo 3, rehab limited for patent and ink"
                ],
                "possible_models": [
                    "Patent Chain Tote (20404)"
                ],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.85,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18102,
            "output_tokens": 1075,
            "total_tokens": 19177,
            "estimated_cost_usd": 0.009821
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18655,
            "output_tokens": 2201,
            "total_tokens": 20856,
            "estimated_cost_usd": 0.005492
        }
    ]
}