Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.84,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather tote-style handbag with shoulder handles and a large front pocket.",
        "photo 5: interior construction and a zip pocket are visible."
    ],
    "negative_evidence": [
        "photo 1: the visible circular embossed emblem is not a legible COACH wordmark or horse-and-carriage.",
        "photo 2: the bag has a contemporary two-tone pebbled-leather tote design, tassel decoration, and silver-tone hardware rather than a recognizable vintage Coach construction.",
        "photo 5: no Coach creed patch, serial\/style number, or legible Coach branding is visible.",
        "photo 1: the seller identifies the bag as unbranded, which is consistent with the absence of a verifiable brand identifier.",
        "photo 2,3,4: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 5: magnetic snap closure with silver-tone hardware, not solid brass turnlock geometry of vintage Coach",
        "photo 5: interior shows brown coated material with silver coil zipper pocket, no stitched leather creed patch on back wall",
        "photo 1-4: two-tone black\/tan colorblock tote with braided tassel charm, pebbled uniform grain unlike glove-tanned cowhide, atypical of Coach classics",
        "photo 1-6: fixed double shoulder straps, no brass dogleash clips, buckles, or wooden dowel details"
    ],
    "missing_information": [
        "photo 5: close-up of the interior back wall and all pockets to confirm whether any small creed or brand label is present.",
        "photo 5: close-up of the zipper pull, interior hardware, and any concealed tags.",
        "photo 1: close-up of the embossed circular emblem to determine whether it contains a maker's mark.",
        "photo 4: clear images of the bottom, corner wear, and handle attachment points.",
        "maker \/ material \/ care tags inside bag not shown close-up",
        "confirmation of leather vs synthetic material from touch \/ edge \/ label"
    ],
    "authenticity_concerns": [
        "photo 1: the circular emblem and tassel hardware appear brand-neutral and do not provide Coach evidence; the design is more consistent with a generic contemporary tote.",
        "photo 2: silver-tone hardware and the modern color-blocked tote silhouette are inconsistent with the classic vintage Coach handbag population, though they do not independently prove a replica."
    ],
    "possible_model_reasoning": [
        "The bag is a structured two-tone tote with a front pocket, tassels, fixed handles, and a contemporary interior zip pocket; it does not closely match a catalogued vintage Coach classic model.",
        "The circular front emblem is not sufficiently legible to identify as Coach and is not a substitute for a creed or wordmark.",
        "Condition: approximately Very Good based on the visible intact exterior and stitching, but interior cleanliness, odor, bottom wear, and strap condition are not fully established.",
        "large two-tone open-top tote ~15in wide per tape in photo 3-4 does not match any vintage Coach classic silhouette, closure or strap system",
        "no Coach hard identifier visible in any of 6 photos despite clear interior view in photo 5 where creed would sit",
        "materials and hardware - silver magnetic snap, coil zipper, uniform pebbled coated material - point to modern fast-fashion tote, not 1970s-1990s glove-tanned Coach",
        "Condition: Very Good to Like New; surface looks clean, straps intact, corners not worn through (photo 1,4,6), but overexposure limits surface assessment"
    ],
    "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: silver-tone circular front emblem and silver-tone tassel caps; photo 5: silver-tone zipper hardware. No Coach engraving is legible.",
        "leather_description": "photos 1-4: black and brown two-tone pebbled leather or leather-like material; the surface appears contemporary and relatively uniform.",
        "lining_description": "photo 5: brown leather or leather-like interior panels with a zippered interior pocket; no fabric brand label or creed is visible.",
        "strap_construction": "photos 1-4: two fixed shoulder handles plus a decorative braided cord with brown tassels; detachable long strap hardware is visible at the side in photo 4.",
        "stitching_description": "photos 1-4: generally straight, regular contrast and tonal stitching along panel seams; close stress-point construction is not fully shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather tote-style handbag with shoulder handles and a large front pocket.",
                    "photo 5: interior construction and a zip pocket are visible."
                ],
                "negative_evidence": [
                    "photo 1: the visible circular embossed emblem is not a legible COACH wordmark or horse-and-carriage.",
                    "photo 2: the bag has a contemporary two-tone pebbled-leather tote design, tassel decoration, and silver-tone hardware rather than a recognizable vintage Coach construction.",
                    "photo 5: no Coach creed patch, serial\/style number, or legible Coach branding is visible.",
                    "photo 1: the seller identifies the bag as unbranded, which is consistent with the absence of a verifiable brand identifier."
                ],
                "missing_information": [
                    "photo 5: close-up of the interior back wall and all pockets to confirm whether any small creed or brand label is present.",
                    "photo 5: close-up of the zipper pull, interior hardware, and any concealed tags.",
                    "photo 1: close-up of the embossed circular emblem to determine whether it contains a maker's mark.",
                    "photo 4: clear images of the bottom, corner wear, and handle attachment points."
                ],
                "authenticity_concerns": [
                    "photo 1: the circular emblem and tassel hardware appear brand-neutral and do not provide Coach evidence; the design is more consistent with a generic contemporary tote.",
                    "photo 2: silver-tone hardware and the modern color-blocked tote silhouette are inconsistent with the classic vintage Coach handbag population, though they do not independently prove a replica."
                ],
                "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: silver-tone circular front emblem and silver-tone tassel caps; photo 5: silver-tone zipper hardware. No Coach engraving is legible.",
                    "leather_description": "photos 1-4: black and brown two-tone pebbled leather or leather-like material; the surface appears contemporary and relatively uniform.",
                    "lining_description": "photo 5: brown leather or leather-like interior panels with a zippered interior pocket; no fabric brand label or creed is visible.",
                    "strap_construction": "photos 1-4: two fixed shoulder handles plus a decorative braided cord with brown tassels; detachable long strap hardware is visible at the side in photo 4.",
                    "stitching_description": "photos 1-4: generally straight, regular contrast and tonal stitching along panel seams; close stress-point construction is not fully shown."
                },
                "possible_model_reasoning": [
                    "The bag is a structured two-tone tote with a front pocket, tassels, fixed handles, and a contemporary interior zip pocket; it does not closely match a catalogued vintage Coach classic model.",
                    "The circular front emblem is not sufficiently legible to identify as Coach and is not a substitute for a creed or wordmark.",
                    "Condition: approximately Very Good based on the visible intact exterior and stitching, but interior cleanliness, odor, bottom wear, and strap condition are not fully established."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "maker \/ material \/ care tags inside bag not shown close-up",
                    "confirmation of leather vs synthetic material from touch \/ edge \/ label"
                ],
                "negative_evidence": [
                    "photo 2,3,4: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 5: magnetic snap closure with silver-tone hardware, not solid brass turnlock geometry of vintage Coach",
                    "photo 5: interior shows brown coated material with silver coil zipper pocket, no stitched leather creed patch on back wall",
                    "photo 1-4: two-tone black\/tan colorblock tote with braided tassel charm, pebbled uniform grain unlike glove-tanned cowhide, atypical of Coach classics",
                    "photo 1-6: fixed double shoulder straps, no brass dogleash clips, buckles, or wooden dowel details"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap and silver-tone coil zipper; tassel caps silver-tone; no solid brass, no turnlock, no branded pulls visible",
                    "leather_description": "black upper and tan lower pebbled-look material with uniform grain and slight sheen; does not show glove-tanned full-grain patina, scars or suede back; appears synthetic\/coated",
                    "lining_description": "no separate fabric lining shown; interior appears same tan coated material with zip pocket; no suede back, no creed patch",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching, light contrast thread on side seams, visible in photo 2-4",
                    "strap_construction": "two fixed narrow shoulder straps sewn to body, no buckle adjustment, no detachable clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "large two-tone open-top tote ~15in wide per tape in photo 3-4 does not match any vintage Coach classic silhouette, closure or strap system",
                    "no Coach hard identifier visible in any of 6 photos despite clear interior view in photo 5 where creed would sit",
                    "materials and hardware - silver magnetic snap, coil zipper, uniform pebbled coated material - point to modern fast-fashion tote, not 1970s-1990s glove-tanned Coach",
                    "Condition: Very Good to Like New; surface looks clean, straps intact, corners not worn through (photo 1,4,6), but overexposure limits surface assessment"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 32368,
            "output_tokens": 809,
            "total_tokens": 33177,
            "estimated_cost_usd": 0.014889
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 34646,
            "output_tokens": 1332,
            "total_tokens": 35978,
            "estimated_cost_usd": 0.007995
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}