Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.085,
    "confidence": 0.89,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: a sewn leather interior label is visible and reads approximately \u201cJ Duffy\u201d\/\u201cJ. Duffy,\u201d with \u201cRAIN GUARDED LEATHER\u201d; this is not a Coach identifier.",
        "photo 2: the item is clearly a leather shoulder bag with a long strap and multiple compartments."
    ],
    "negative_evidence": [
        "photo 1: the visible brand label does not read COACH and does not show a Coach creed or Coach horse-and-carriage mark.",
        "photos 2\u20136: no Coach wordmark, hangtag, turnlock, creed patch, or serial\/style number is visible.",
        "photos 2\u20136: the bag has a soft, slouchy construction and a fabric-lined zippered interior, not a clearly identifiable classic Coach silhouette.",
        "photo 1: the label identifies another apparent brand, \u201cJ Duffy\u201d\/\u201cJ. Duffy,\u201d rather than Coach.",
        "photo 1: interior leather brand patch reads J. Duse[?] MADE IN USA RAINGUARDED LEATHER, not a Coach creed",
        "photo 2, photo 4, photo 5, photo 6: no COACH wordmark, no horse-and-carriage, no creed patch, no hangtag visible",
        "photo 2, photo 4, photo 6: soft bucket\/sidepack silhouette with exterior slip pocket and no turnlock, no solid-brass Coach hardware visible",
        "photo 1: lined interior with zip pocket, not unlined glove-tanned suede-back classic construction"
    ],
    "missing_information": [
        "A straight-on photo of the complete interior and all interior labels would confirm whether any additional branding is present.",
        "A close-up of every zipper pull, strap attachment, and hardware would help identify the maker.",
        "Seller-stated dimensions, country-of-origin markings, and a clear bottom\/edge view are unavailable."
    ],
    "authenticity_concerns": [
        "photo 1: the visible non-Coach brand label is inconsistent with a Coach attribution.",
        "photos 1\u20136: no Coach identifier supports a Coach-made origin; this appears to be a non-Coach leather bag rather than a replica with a transplanted Coach creed.",
        "photo 1: interior patch names a non-Coach maker (J. Duse[?] MADE IN USA RAINGUARDED LEATHER), inconsistent with Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the interior label visibly identifies another apparent maker and no Coach identifiers are shown.",
        "The soft, multi-compartment shoulder-bag construction is consistent with a generic or J. Duffy leather shoulder bag, but an exact model cannot be determined from these photos.",
        "Condition: Good to Fair; photos 2\u20136 show pronounced creasing, scuffing\/discoloration, and softened or collapsed areas. Interior cleanliness, odor, strap integrity, and bottom-corner wear cannot be fully assessed.",
        "Brand patch in photo 1 identifies a non-Coach maker, so no Coach model match is warranted",
        "Silhouette is a soft unstructured shoulder bucket\/sidepack with exterior pocket, not matching a classic Coach turnlock catalog style",
        "Condition: Good to Very Good; soft creasing and surface wear\/darkening on bottom (photo 5), otherwise intact; interior not fully shown"
    ],
    "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: metal zipper teeth and zipper pulls are visible; no Coach engraving is legible. Other hardware is not clearly shown.",
        "leather_description": "photos 2\u20136: brown, pebbled leather with substantial creasing, wrinkling, and visible wear.",
        "lining_description": "photo 1: light-colored fabric lining is visible; it includes a sewn leather brand label reading approximately \u201cJ Duffy\u201d\/\u201cJ. Duffy\u201d and \u201cRAIN GUARDED LEATHER.\u201d",
        "strap_construction": "photos 2\u20136: long, narrow, adjustable-looking leather shoulder strap attached at the sides; buckle and attachment details are not clearly visible.",
        "stitching_description": "photos 1\u20136: visible stitching is generally straight and machine-sewn around the label and bag panels; detailed stress-point stitching is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: a sewn leather interior label is visible and reads approximately \u201cJ Duffy\u201d\/\u201cJ. Duffy,\u201d with \u201cRAIN GUARDED LEATHER\u201d; this is not a Coach identifier.",
                    "photo 2: the item is clearly a leather shoulder bag with a long strap and multiple compartments."
                ],
                "negative_evidence": [
                    "photo 1: the visible brand label does not read COACH and does not show a Coach creed or Coach horse-and-carriage mark.",
                    "photos 2\u20136: no Coach wordmark, hangtag, turnlock, creed patch, or serial\/style number is visible.",
                    "photos 2\u20136: the bag has a soft, slouchy construction and a fabric-lined zippered interior, not a clearly identifiable classic Coach silhouette.",
                    "photo 1: the label identifies another apparent brand, \u201cJ Duffy\u201d\/\u201cJ. Duffy,\u201d rather than Coach."
                ],
                "missing_information": [
                    "A straight-on photo of the complete interior and all interior labels would confirm whether any additional branding is present.",
                    "A close-up of every zipper pull, strap attachment, and hardware would help identify the maker.",
                    "Seller-stated dimensions, country-of-origin markings, and a clear bottom\/edge view are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible non-Coach brand label is inconsistent with a Coach attribution.",
                    "photos 1\u20136: no Coach identifier supports a Coach-made origin; this appears to be a non-Coach leather bag rather than a replica with a transplanted Coach creed."
                ],
                "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: metal zipper teeth and zipper pulls are visible; no Coach engraving is legible. Other hardware is not clearly shown.",
                    "leather_description": "photos 2\u20136: brown, pebbled leather with substantial creasing, wrinkling, and visible wear.",
                    "lining_description": "photo 1: light-colored fabric lining is visible; it includes a sewn leather brand label reading approximately \u201cJ Duffy\u201d\/\u201cJ. Duffy\u201d and \u201cRAIN GUARDED LEATHER.\u201d",
                    "strap_construction": "photos 2\u20136: long, narrow, adjustable-looking leather shoulder strap attached at the sides; buckle and attachment details are not clearly visible.",
                    "stitching_description": "photos 1\u20136: visible stitching is generally straight and machine-sewn around the label and bag panels; detailed stress-point stitching is not fully visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the interior label visibly identifies another apparent maker and no Coach identifiers are shown.",
                    "The soft, multi-compartment shoulder-bag construction is consistent with a generic or J. Duffy leather shoulder bag, but an exact model cannot be determined from these photos.",
                    "Condition: Good to Fair; photos 2\u20136 show pronounced creasing, scuffing\/discoloration, and softened or collapsed areas. Interior cleanliness, odor, strap integrity, and bottom-corner wear cannot be fully assessed."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: interior patch names a non-Coach maker (J. Duse[?] MADE IN USA RAINGUARDED LEATHER), inconsistent with Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: interior leather brand patch reads J. Duse[?] MADE IN USA RAINGUARDED LEATHER, not a Coach creed",
                    "photo 2, photo 4, photo 5, photo 6: no COACH wordmark, no horse-and-carriage, no creed patch, no hangtag visible",
                    "photo 2, photo 4, photo 6: soft bucket\/sidepack silhouette with exterior slip pocket and no turnlock, no solid-brass Coach hardware visible",
                    "photo 1: lined interior with zip pocket, not unlined glove-tanned suede-back classic construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no turnlock, buckle or zipper brand shown; thin leather strap only",
                    "leather_description": "photo 2-6: medium-brown soft pebbled leather with slouchy hand and light sheen; photo 3 close-up shows pebbled grain",
                    "lining_description": "photo 1: light tan lining with interior zip pocket; material not fully determinable",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: white contrast stitching around brand patch; exterior seams appear even but no close-up",
                    "strap_construction": "photo 2, photo 4, photo 6: single thin flat shoulder strap, stitched, no dogleash clips or buckle adjustment shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Brand patch in photo 1 identifies a non-Coach maker, so no Coach model match is warranted",
                    "Silhouette is a soft unstructured shoulder bucket\/sidepack with exterior pocket, not matching a classic Coach turnlock catalog style",
                    "Condition: Good to Very Good; soft creasing and surface wear\/darkening on bottom (photo 5), otherwise intact; interior not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17715,
            "output_tokens": 867,
            "total_tokens": 18582,
            "estimated_cost_usd": 0.009167
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18056,
            "output_tokens": 1383,
            "total_tokens": 19439,
            "estimated_cost_usd": 0.004718
        }
    ]
}