Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: seller identifies the material as PU leather, and the visible glossy synthetic-looking surface is inconsistent with vintage Coach glove-tanned leather.",
        "photo 1: no legible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable vintage Coach hardware is visible.",
        "photo 1: bright silver-tone hardware, decorative rectangular plaque, multiple exterior straps, and the Boston silhouette do not match a clearly identifiable classic Coach model.",
        "photo 1: product-style studio image shows a contemporary mass-market design rather than a documented vintage handbag.",
        "photo 1: shiny PU synthetic surface with plastic sheen, seller states PU leather - incompatible with vintage Coach glove-tanned cowhide",
        "photo 1: silver-tone plated hardware (D-rings, buckles, zipper) - vintage Coach classics use solid brass",
        "photo 1: Boston satchel silhouette with vertical buckle straps and front metal logo plate - no matching Coach classic catalog silhouette",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: no turnlock closure, zip-top with modern construction"
    ],
    "missing_information": [
        "photo 1: no interior view, so lining and any hidden label cannot be checked.",
        "photo 1: no close-ups of the plaque, zipper pulls, hardware stamps, or strap attachments.",
        "photo 1: no bottom, side, or condition-detail photos.",
        "photo 1 only front view: interior, creed patch area, back, sides, bottom not shown - request emptied interior and back wall close-up",
        "photo 1: hardware engravings and zipper-pull brand not legible - request close-up",
        "photo 1: strap full length, buckle holes and clips not shown - request detail",
        "seller-stated dimensions and lining material not provided"
    ],
    "authenticity_concerns": [
        "photo 1: PU construction and contemporary silver-tone hardware are inconsistent with the usual construction of vintage Coach classics.",
        "photo 1: the decorative plaque appears generic and does not provide a visible Coach identifier."
    ],
    "possible_model_reasoning": [
        "No Coach model fits: Boston zip satchel with buckle-strap decoration and metal brand plate has no counterpart in 1970s-1990s classic catalog (City Bag, Court, Station, Willis, Duffle Sac etc.)",
        "Era reasoning: PU material + plated silver hardware + zip-top Boston shape = modern (2000s+) non-Coach fast fashion, consistent with seller title Unbranded PU Leather Boston Handbag",
        "Serial decode: none - no creed or number visible",
        "Condition: appears new-like in single front view with no visible wear, but grade capped by incomplete photos - interior, bottom, strap unknown"
    ],
    "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: bright silver-tone rings, buckles, zipper hardware, and a small rectangular decorative plaque; no Coach engraving is legible.",
        "leather_description": "photo 1: glossy black PU\/synthetic leather with a pebbled surface, according to the seller's listing and visible appearance.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two padded top handles and a removable-looking long shoulder strap attached at side hardware.",
        "stitching_description": "photo 1: visible machine stitching is generally even, with multiple decorative parallel seams and appliqu\u00e9d strap sections."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: seller identifies the material as PU leather, and the visible glossy synthetic-looking surface is inconsistent with vintage Coach glove-tanned leather.",
                    "photo 1: no legible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable vintage Coach hardware is visible.",
                    "photo 1: bright silver-tone hardware, decorative rectangular plaque, multiple exterior straps, and the Boston silhouette do not match a clearly identifiable classic Coach model.",
                    "photo 1: product-style studio image shows a contemporary mass-market design rather than a documented vintage handbag."
                ],
                "missing_information": [
                    "photo 1: no interior view, so lining and any hidden label cannot be checked.",
                    "photo 1: no close-ups of the plaque, zipper pulls, hardware stamps, or strap attachments.",
                    "photo 1: no bottom, side, or condition-detail photos."
                ],
                "authenticity_concerns": [
                    "photo 1: PU construction and contemporary silver-tone hardware are inconsistent with the usual construction of vintage Coach classics.",
                    "photo 1: the decorative plaque appears generic and does not provide a visible Coach identifier."
                ],
                "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: bright silver-tone rings, buckles, zipper hardware, and a small rectangular decorative plaque; no Coach engraving is legible.",
                    "leather_description": "photo 1: glossy black PU\/synthetic leather with a pebbled surface, according to the seller's listing and visible appearance.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two padded top handles and a removable-looking long shoulder strap attached at side hardware.",
                    "stitching_description": "photo 1: visible machine stitching is generally even, with multiple decorative parallel seams and appliqu\u00e9d strap sections."
                },
                "possible_model_reasoning": [],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: interior, creed patch area, back, sides, bottom not shown - request emptied interior and back wall close-up",
                    "photo 1: hardware engravings and zipper-pull brand not legible - request close-up",
                    "photo 1: strap full length, buckle holes and clips not shown - request detail",
                    "seller-stated dimensions and lining material not provided"
                ],
                "negative_evidence": [
                    "photo 1: shiny PU synthetic surface with plastic sheen, seller states PU leather - incompatible with vintage Coach glove-tanned cowhide",
                    "photo 1: silver-tone plated hardware (D-rings, buckles, zipper) - vintage Coach classics use solid brass",
                    "photo 1: Boston satchel silhouette with vertical buckle straps and front metal logo plate - no matching Coach classic catalog silhouette",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: no turnlock closure, zip-top with modern construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone plated hardware: D-rings at handles, small buckles on front straps, top zipper; bright plated finish, not solid brass vintage",
                    "leather_description": "black smooth synthetic PU leather with high sheen and soft wrinkles, modern fast-fashion look",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible straight machine topstitching on front panel and trim, thread matched to black",
                    "strap_construction": "rolled top handles attached with D-rings; removable shoulder strap ends visible at sides, full strap not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: Boston zip satchel with buckle-strap decoration and metal brand plate has no counterpart in 1970s-1990s classic catalog (City Bag, Court, Station, Willis, Duffle Sac etc.)",
                    "Era reasoning: PU material + plated silver hardware + zip-top Boston shape = modern (2000s+) non-Coach fast fashion, consistent with seller title Unbranded PU Leather Boston Handbag",
                    "Serial decode: none - no creed or number visible",
                    "Condition: appears new-like in single front view with no visible wear, but grade capped by incomplete photos - interior, bottom, strap unknown"
                ],
                "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": 15840,
            "output_tokens": 619,
            "total_tokens": 16459,
            "estimated_cost_usd": 0.007822
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16156,
            "output_tokens": 1317,
            "total_tokens": 17473,
            "estimated_cost_usd": 0.004285
        }
    ]
}