Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.88,
    "recommended_max_bid": 10,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a structured horizontal tote shape, double shoulder handles, side zipper, and brown exterior.",
        "photo 1: the bag has visible panel stitching and a functional-looking zippered top\/side construction."
    ],
    "negative_evidence": [
        "photo 1: seller describes the material as synthetic leather, which is inconsistent with the classic vintage Coach leather population.",
        "photo 1: oversized silver-tone circular decorative hardware is not characteristic of classic Coach turnlock geometry.",
        "photo 1: no Coach wordmark, horse-and-carriage mark, leather hangtag, or creed patch is visible.",
        "photo 2: the bag is shown as a generic fashion tote with decorative strap elements and no visible Coach identifiers.",
        "photo 3: stock-style presentation and the visible synthetic-looking glossy material support a modern unbranded fashion bag rather than vintage Coach.",
        "photo 1-3: smooth high-sheen synthetic-looking material, seller states Synthetic Leather - not glove-tanned cowhide",
        "photo 1-3: silver-tone oversized buckle \/ D-ring hardware, not solid brass vintage hardware",
        "photo 1-3: zip-top double-strap tote silhouette with front buckle straps does not match any vintage Coach catalog style",
        "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "seller states Condition: Brand New and Pattern: Synthetic Leather"
    ],
    "missing_information": [
        "photo 1-3: no interior view or close-up of any brand label, lining, or fabric tag.",
        "photo 1-3: no close-up of zipper pulls, hardware engravings, bottom, corners, or strap attachment points.",
        "photo 1-3: seller should provide a straight-on interior-wall photograph and any sewn-in labels.",
        "interior views including back wall \/ pockets where creed would sit not shown",
        "creed close-up in raking light not shown",
        "hardware stamps \/ zipper-pull brand not shown",
        "hangtag front\/back not shown",
        "bottom \/ corners \/ side close-ups not shown"
    ],
    "authenticity_concerns": [
        "The synthetic leather construction, glossy finish, modern silver-tone decorative rings, and absence of Coach identifiers are inconsistent with a vintage Coach classic.",
        "The decorative hardware appears to be a generic lookalike design rather than a Coach turnlock."
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern generic structured tote, not a recognizable Coach catalog model.",
        "The decorative circular hardware does not match the elegant flat turnlock hardware used on classic Coach bags.",
        "Condition: seller states Brand New; the photos are stock-style and show no obvious wear, but interior condition and actual delivered condition are unverified.",
        "No Coach model fits: zip-top tote with dual buckle-front straps, silver hardware, and synthetic material has no counterpart in Classic glove-tanned catalog (City Bag, Willis, Court, Station, etc.)",
        "Era reasoning: synthetic material, silver-tone hardware, new condition and modern tote styling indicate current fast-fashion, not pre-2000 Coach",
        "Condition: New per seller and photo 1-3 show unmarked exterior; interior not shown so grading 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: silver-tone circular decorative rings on two front strap tabs, small silver-tone rivets, and a visible zipper; no Coach engraving is legible.",
        "leather_description": "photo 1: smooth glossy brown material; seller states synthetic leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two long narrow fixed shoulder handles attached through rings, plus a visible long side strap or zipper pull extension.",
        "stitching_description": "photo 1: visible machine-style perimeter and panel stitching appears generally even; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0041,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a structured horizontal tote shape, double shoulder handles, side zipper, and brown exterior.",
                    "photo 1: the bag has visible panel stitching and a functional-looking zippered top\/side construction."
                ],
                "negative_evidence": [
                    "photo 1: seller describes the material as synthetic leather, which is inconsistent with the classic vintage Coach leather population.",
                    "photo 1: oversized silver-tone circular decorative hardware is not characteristic of classic Coach turnlock geometry.",
                    "photo 1: no Coach wordmark, horse-and-carriage mark, leather hangtag, or creed patch is visible.",
                    "photo 2: the bag is shown as a generic fashion tote with decorative strap elements and no visible Coach identifiers.",
                    "photo 3: stock-style presentation and the visible synthetic-looking glossy material support a modern unbranded fashion bag rather than vintage Coach."
                ],
                "missing_information": [
                    "photo 1-3: no interior view or close-up of any brand label, lining, or fabric tag.",
                    "photo 1-3: no close-up of zipper pulls, hardware engravings, bottom, corners, or strap attachment points.",
                    "photo 1-3: seller should provide a straight-on interior-wall photograph and any sewn-in labels."
                ],
                "authenticity_concerns": [
                    "The synthetic leather construction, glossy finish, modern silver-tone decorative rings, and absence of Coach identifiers are inconsistent with a vintage Coach classic.",
                    "The decorative hardware appears to be a generic lookalike design rather than a Coach turnlock."
                ],
                "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 decorative rings on two front strap tabs, small silver-tone rivets, and a visible zipper; no Coach engraving is legible.",
                    "leather_description": "photo 1: smooth glossy brown material; seller states synthetic leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two long narrow fixed shoulder handles attached through rings, plus a visible long side strap or zipper pull extension.",
                    "stitching_description": "photo 1: visible machine-style perimeter and panel stitching appears generally even; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern generic structured tote, not a recognizable Coach catalog model.",
                    "The decorative circular hardware does not match the elegant flat turnlock hardware used on classic Coach bags.",
                    "Condition: seller states Brand New; the photos are stock-style and show no obvious wear, but interior condition and actual delivered condition are unverified."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 12,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including back wall \/ pockets where creed would sit not shown",
                    "creed close-up in raking light not shown",
                    "hardware stamps \/ zipper-pull brand not shown",
                    "hangtag front\/back not shown",
                    "bottom \/ corners \/ side close-ups not shown"
                ],
                "negative_evidence": [
                    "photo 1-3: smooth high-sheen synthetic-looking material, seller states Synthetic Leather - not glove-tanned cowhide",
                    "photo 1-3: silver-tone oversized buckle \/ D-ring hardware, not solid brass vintage hardware",
                    "photo 1-3: zip-top double-strap tote silhouette with front buckle straps does not match any vintage Coach catalog style",
                    "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "seller states Condition: Brand New and Pattern: Synthetic Leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone large buckles on front straps, D-rings at strap attachments, side zipper with leather pull; bright plated appearance, not solid brass",
                    "leather_description": "dark brown smooth material with synthetic sheen, consistent with seller-stated synthetic leather; not glove-tanned cowhide texture",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching tone-matched, visible around top edge and straps; no detail close-up to assess fully",
                    "strap_construction": "double fixed shoulder straps attached via D-rings, narrow, same synthetic material",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top tote with dual buckle-front straps, silver hardware, and synthetic material has no counterpart in Classic glove-tanned catalog (City Bag, Willis, Court, Station, etc.)",
                    "Era reasoning: synthetic material, silver-tone hardware, new condition and modern tote styling indicate current fast-fashion, not pre-2000 Coach",
                    "Condition: New per seller and photo 1-3 show unmarked exterior; interior not shown so grading capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}