Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.805,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: lot visibly contains three handbags, but none shows a recognizable Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
        "photo 2: visible bag has silver-tone hardware and a generic pebbled black construction, unlike the solid-brass hardware typical of many vintage Coach classics.",
        "photo 3: visible front panel has generic riveted pockets, zipper construction, and thin strap hardware rather than a recognizable Coach silhouette or construction detail.",
        "photo 4: metal plate on the upper bag appears to show a non-Coach brand or unreadable lettering, not a Coach identifier.",
        "photo 5: bag has decorative pyramid studs and multiple zip pockets, with no visible Coach branding.",
        "photo 1: all three bags appear modern, fabric-lined or structured organizer-style bags rather than classic unlined glove-tanned Coach designs.",
        "photo 1: three black modern organizer crossbody bags with silver-tone hardware, no brass turnlock, no Coach silhouette",
        "photo 3: silver-tone brand bar plate on flap that is not COACH wordmark or horse-and-carriage",
        "photo 2: silver-tone rivets, exposed zipper and thin crossbody strap inconsistent with vintage glove-tanned Coach classics",
        "photo 4: zip-top organizer with pyramid studs and multiple compartments, not a Coach catalog style"
    ],
    "missing_information": [
        "photo 1-5: interiors of all three bags are not shown; request clear interior-wall photos and any sewn labels or creed patches.",
        "photo 1-5: no close-ups of all hardware, zipper pulls, bottom panels, or strap attachments.",
        "photo 1-5: exact dimensions, material composition, and functionality of all three bags are not provided.",
        "interior views including any creed patch, fabric tags or lining for all three bags",
        "close-up of brand plates and zipper-pull stamps",
        "back, side and bottom views",
        "strap hardware and dimensions"
    ],
    "authenticity_concerns": [
        "photo 1-5: no Coach identifiers are visible, and the generic organizer-purse construction is more consistent with non-Coach fashion accessories.",
        "photo 2: silver-tone hardware and a generic rectangular crossbody design do not support identification as a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "Lot of 3 modern non-Coach organizer bags; none matches a Coach catalog silhouette, closure or hardware type",
        "No creed, wordmark, hangtag or turnlock visible in any photo to support Coach manufacture",
        "Condition: Good to Very Good as organizers based on exterior only; interiors, bottoms and strap folds not shown so 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 1-5: silver-tone and dark-tone zipper hardware, rings, rivets, and strap clips are visible; no legible Coach engraving. A small metal plate is visible on one bag but is not readable as COACH.",
        "leather_description": "photo 1-5: black pebbled material with a leather-like appearance; genuine leather versus synthetic material cannot be confirmed from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-5: narrow adjustable shoulder straps and short handles are visible; strap ends and construction details are not fully shown.",
        "stitching_description": "photo 1-5: generally visible machine stitching appears regular, with decorative contrast\/light stitching on some edges; no Coach-specific construction cue is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: lot visibly contains three handbags, but none shows a recognizable Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
                    "photo 2: visible bag has silver-tone hardware and a generic pebbled black construction, unlike the solid-brass hardware typical of many vintage Coach classics.",
                    "photo 3: visible front panel has generic riveted pockets, zipper construction, and thin strap hardware rather than a recognizable Coach silhouette or construction detail.",
                    "photo 4: metal plate on the upper bag appears to show a non-Coach brand or unreadable lettering, not a Coach identifier.",
                    "photo 5: bag has decorative pyramid studs and multiple zip pockets, with no visible Coach branding.",
                    "photo 1: all three bags appear modern, fabric-lined or structured organizer-style bags rather than classic unlined glove-tanned Coach designs."
                ],
                "missing_information": [
                    "photo 1-5: interiors of all three bags are not shown; request clear interior-wall photos and any sewn labels or creed patches.",
                    "photo 1-5: no close-ups of all hardware, zipper pulls, bottom panels, or strap attachments.",
                    "photo 1-5: exact dimensions, material composition, and functionality of all three bags are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-5: no Coach identifiers are visible, and the generic organizer-purse construction is more consistent with non-Coach fashion accessories.",
                    "photo 2: silver-tone hardware and a generic rectangular crossbody design do not support identification as a vintage Coach classic."
                ],
                "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 1-5: silver-tone and dark-tone zipper hardware, rings, rivets, and strap clips are visible; no legible Coach engraving. A small metal plate is visible on one bag but is not readable as COACH.",
                    "leather_description": "photo 1-5: black pebbled material with a leather-like appearance; genuine leather versus synthetic material cannot be confirmed from these photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-5: narrow adjustable shoulder straps and short handles are visible; strap ends and construction details are not fully shown.",
                    "stitching_description": "photo 1-5: generally visible machine stitching appears regular, with decorative contrast\/light stitching on some edges; no Coach-specific construction cue is apparent."
                },
                "possible_model_reasoning": [],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including any creed patch, fabric tags or lining for all three bags",
                    "close-up of brand plates and zipper-pull stamps",
                    "back, side and bottom views",
                    "strap hardware and dimensions"
                ],
                "negative_evidence": [
                    "photo 1: three black modern organizer crossbody bags with silver-tone hardware, no brass turnlock, no Coach silhouette",
                    "photo 3: silver-tone brand bar plate on flap that is not COACH wordmark or horse-and-carriage",
                    "photo 2: silver-tone rivets, exposed zipper and thin crossbody strap inconsistent with vintage glove-tanned Coach classics",
                    "photo 4: zip-top organizer with pyramid studs and multiple compartments, not a Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver \/ nickel-tone hardware throughout: zippers, rivets, O-rings, studs and brand bar; no brass, no turnlock",
                    "leather_description": "black pebbled-grain material appearing as soft faux or coated leather, modern sheen, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast light stitching on top bag flap and base; otherwise dark straight stitching",
                    "strap_construction": "thin flat crossbody \/ shoulder straps in same black material, simple ring attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot of 3 modern non-Coach organizer bags; none matches a Coach catalog silhouette, closure or hardware type",
                    "No creed, wordmark, hangtag or turnlock visible in any photo to support Coach manufacture",
                    "Condition: Good to Very Good as organizers based on exterior only; interiors, bottoms and strap folds not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
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        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}