Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.745,
    "recommended_max_bid": 16,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-like black satchel construction and substantial size are compatible with many handbag brands, including some modern Coach lines, but do not identify Coach."
    ],
    "negative_evidence": [
        "photo 1: Bright silver-tone zipper hardware and multiple exposed zippers are not characteristic of the classic brass-hardware vintage Coach styles.",
        "photos 1-3: No visible COACH wordmark, horse-and-carriage emblem, leather hangtag, creed patch, or serial\/style number.",
        "photos 1-3: Quilted\/paneled satchel design with padded tubular handles and extensive silver zippers does not closely match the listed vintage Coach catalog silhouettes.",
        "photo 2: Fabric-lined, compartmentalized interior appears modern-leaning rather than the unlined suede-backed interior typical of many classic vintage Coach bags.",
        "listing text: Seller identifies the item as Day&Mood and unbranded rather than providing any Coach-specific provenance; this is weak evidence but consistent with a non-Coach bag.",
        "photo 1, photo 3: polished silver-tone zippers and hardware, not solid brass vintage Coach hardware",
        "photo 2: black fabric lining, not unlined suede-back glove-tanned leather of vintage classics",
        "photo 1, photo 3: multi-zip satchel with dual exterior zip pockets and rolled top handles, no turnlock flap, no catalog classic silhouette",
        "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "Straight-on interior-back-wall and pocket photos to check for a creed patch or brand label.",
        "Close-up photos of every interior label, zipper pull, and strap hardware.",
        "Bottom, side, and corner photos for complete construction and condition assessment.",
        "Seller-stated material composition and dimensions; the listing does not establish whether the material is genuine leather.",
        "photo of interior back wall \/ slip pocket straight-on for creed patch in raking light",
        "close-up of zipper-pull brand stamps and hardware engravings",
        "close-up of any interior fabric \/ leather tags with brand and Made-in line",
        "bottom, sides, corners and strap hardware views",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so Coach manufacture cannot be supported from these photos.",
        "The modern silver-tone zipper-heavy construction would be inconsistent with a claimed classic 1970s-1990s Coach model, although it is not by itself evidence of a counterfeit Coach item."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks visible Coach identifiers and its silhouette does not closely match a documented classic Coach style.",
        "Condition: approximately Very Good based on the generally intact exterior and functional-looking hardware in photos 1-3; some handle creasing and surface wear are visible. Interior, bottom, corners, odor, and hidden damage are incompletely documented.",
        "multi-zip silver-hardware fabric-lined satchel does not match any 1970s-1990s glove-tanned turnlock classic (Willis, Court, Station, City Bag, Dinky) in closure, lining, or hardware",
        "no Coach identifier visible in any photo, so no serial decode or era dating possible",
        "Condition: Very Good to Excellent based on photos; leather intact with no corner wear shown, zippers appear working, interior looks clean in photo 2, but bottom, corners and strap not fully 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 1-3: Numerous bright silver-tone zippers and small silver-tone strap attachments are visible; no turnlock or Coach-engraved hardware is visible.",
        "leather_description": "photo 1-3: Black, textured or pebbled leather-like exterior with quilted\/paneled sections; exact material is not verifiable from photos.",
        "lining_description": "photo 2: Black fabric-like lining and multiple interior compartments are visible; brand label and material are not visible.",
        "strap_construction": "photos 1 and 3: Two padded top handles plus a removable-looking shoulder strap attached at side hardware; full strap and attachment details are not shown.",
        "stitching_description": "photos 1-3: Generally straight, machine-sewn seams are visible; close-up stress-point stitching is not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-like black satchel construction and substantial size are compatible with many handbag brands, including some modern Coach lines, but do not identify Coach."
                ],
                "negative_evidence": [
                    "photo 1: Bright silver-tone zipper hardware and multiple exposed zippers are not characteristic of the classic brass-hardware vintage Coach styles.",
                    "photos 1-3: No visible COACH wordmark, horse-and-carriage emblem, leather hangtag, creed patch, or serial\/style number.",
                    "photos 1-3: Quilted\/paneled satchel design with padded tubular handles and extensive silver zippers does not closely match the listed vintage Coach catalog silhouettes.",
                    "photo 2: Fabric-lined, compartmentalized interior appears modern-leaning rather than the unlined suede-backed interior typical of many classic vintage Coach bags.",
                    "listing text: Seller identifies the item as Day&Mood and unbranded rather than providing any Coach-specific provenance; this is weak evidence but consistent with a non-Coach bag."
                ],
                "missing_information": [
                    "Straight-on interior-back-wall and pocket photos to check for a creed patch or brand label.",
                    "Close-up photos of every interior label, zipper pull, and strap hardware.",
                    "Bottom, side, and corner photos for complete construction and condition assessment.",
                    "Seller-stated material composition and dimensions; the listing does not establish whether the material is genuine leather."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so Coach manufacture cannot be supported from these photos.",
                    "The modern silver-tone zipper-heavy construction would be inconsistent with a claimed classic 1970s-1990s Coach model, although it is not by itself evidence of a counterfeit Coach item."
                ],
                "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 1-3: Numerous bright silver-tone zippers and small silver-tone strap attachments are visible; no turnlock or Coach-engraved hardware is visible.",
                    "leather_description": "photo 1-3: Black, textured or pebbled leather-like exterior with quilted\/paneled sections; exact material is not verifiable from photos.",
                    "lining_description": "photo 2: Black fabric-like lining and multiple interior compartments are visible; brand label and material are not visible.",
                    "strap_construction": "photos 1 and 3: Two padded top handles plus a removable-looking shoulder strap attached at side hardware; full strap and attachment details are not shown.",
                    "stitching_description": "photos 1-3: Generally straight, machine-sewn seams are visible; close-up stress-point stitching is not available."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks visible Coach identifiers and its silhouette does not closely match a documented classic Coach style.",
                    "Condition: approximately Very Good based on the generally intact exterior and functional-looking hardware in photos 1-3; some handle creasing and surface wear are visible. Interior, bottom, corners, odor, and hidden damage are incompletely documented."
                ],
                "confidence": 0.79,
                "recommended_max_bid": 20,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch in raking light",
                    "close-up of zipper-pull brand stamps and hardware engravings",
                    "close-up of any interior fabric \/ leather tags with brand and Made-in line",
                    "bottom, sides, corners and strap hardware views",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1, photo 3: polished silver-tone zippers and hardware, not solid brass vintage Coach hardware",
                    "photo 2: black fabric lining, not unlined suede-back glove-tanned leather of vintage classics",
                    "photo 1, photo 3: multi-zip satchel with dual exterior zip pockets and rolled top handles, no turnlock flap, no catalog classic silhouette",
                    "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal zippers on top and exterior pockets; no turnlock; no brand stamps legible; tone consistent but silver, implying modern non-vintage production",
                    "leather_description": "black pebbled grain leather, soft slouchy hand, not smooth matte glove-tanned cowhide",
                    "lining_description": "black fabric lining in main compartment with slip pockets visible in photo 2",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible X-box stitching at top-handle anchors in photo 3; otherwise even dark stitching, no detail legible",
                    "strap_construction": "short rolled top handles stitched to body; seller states removable shoulder strap, side clips partially visible in photo 3 but full strap not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "multi-zip silver-hardware fabric-lined satchel does not match any 1970s-1990s glove-tanned turnlock classic (Willis, Court, Station, City Bag, Dinky) in closure, lining, or hardware",
                    "no Coach identifier visible in any photo, so no serial decode or era dating possible",
                    "Condition: Very Good to Excellent based on photos; leather intact with no corner wear shown, zippers appear working, interior looks clean in photo 2, but bottom, corners and strap not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16635,
            "output_tokens": 934,
            "total_tokens": 17569,
            "estimated_cost_usd": 0.008896
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17052,
            "output_tokens": 1338,
            "total_tokens": 18390,
            "estimated_cost_usd": 0.004481
        }
    ]
}