Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.78,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag-sized oversized flap clutch with structured rectangular construction.",
        "photo 3: an interior zip pocket is visible.",
        "photo 4: exotic-scale material and black piping are clearly visible."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 2: exterior has no visible Coach branding or characteristic vintage Coach turnlock closure.",
        "photo 3: the visible lining appears smooth synthetic fabric rather than the unlined suede-backed interior typical of many classic vintage Coach bags.",
        "photo 1: glossy green\/black snake-pattern exterior and oversized clutch silhouette are not sufficient to identify a Coach model.",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible anywhere",
        "photo 1-2,4-6: exterior is glossy green\/black snakeskin with black piping - not glove-tanned cowhide unlined classic construction",
        "photo 1,3: fully leather-lined interior with inset zip pocket with dark navy synthetic lining - not unlined suede-back glove-tanned interior of 1970s-1990s Coach classics",
        "photo 1-6: no turnlock, no solid-brass hardware, no dogleash clips, no bead-chain hangtag; only small gold-tone zipper",
        "photo 2: oversized 16.5x9.5 flap clutch silhouette with center seam does not match catalog City Bag, Willis, Court, Dinky, Convertible Clutch proportions or closures"
    ],
    "missing_information": [
        "photo request: straight-on photographs of the entire interior, including every label, leather patch, and pocket seam.",
        "photo request: close-up of zipper pull, closure hardware, and any concealed maker marks.",
        "photo request: bottom, side, and seam views to assess construction and material authenticity.",
        "Seller-stated material should be verified; the photos do not establish whether the exterior is genuine snake leather or embossed leather.",
        "photo of any interior stamped patch \/ brand label straight-on in raking light (photo 1, photo 3 show lining and zip pocket but no patch visible)",
        "photo of zipper-pull brand stamp and backside of flap closure",
        "photo of bottom, sides and scale reference to confirm dimensions and construction"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided photos; this is best treated as a generic exotic-style clutch rather than a Coach bag.",
        "The visible synthetic-looking lining and exotic clutch construction do not match a recognizable classic Coach construction, though the interior view is incomplete."
    ],
    "possible_model_reasoning": [
        "No recognizable Coach model is supported: the bag is an oversized flap clutch without a visible Coach closure, creed, hangtag, or wordmark.",
        "Seller states a purchase around 20 years ago and an 1980s-looking style, but seller text is unverified and the photos provide no date-specific Coach identifier.",
        "Condition appears Good to Very Good rather than confirmed Excellent: visible creasing and surface wear are present in photos 1, 2, 4, and 5; interior and odor condition are unknown.",
        "No Coach identifier visible in any of 6 photos to decode for era or style; construction (exotic snakeskin, fully lined, no brass turnlock) inconsistent with 1970s-1990s glove-tanned unlined Coach classics",
        "Oversized 16.5 x 9.5 flap clutch does not match Dinky (9375), Convertible Clutch (9635), Pocket Purse (9755) or other catalog clutches in size, material or closure",
        "Condition: Excellent to Very Good per seller; photos show glossy intact scales, no corner wear visible, interior looks clean (photo 1,3), but bottom\/corners and odor\/mold not fully assessable"
    ],
    "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 3: small gold-tone zipper hardware is visible; no branded engraving is legible. No turnlock or other Coach-typical closure is visible.",
        "leather_description": "photo 1: glossy green\/black snakeskin-pattern exterior with black piping; material appears exotic or embossed, but genuine species\/material cannot be confirmed from photos.",
        "lining_description": "photo 3: black interior with a dark blue\/purple-looking fabric-lined zip compartment; full lining and labels are not shown.",
        "strap_construction": "not_visible; no strap is visible in the provided photos.",
        "stitching_description": "photos 4-6: central seams and black piping appear visible and generally even, with some wrinkling and edge wear; fine stitch quality cannot be fully assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag-sized oversized flap clutch with structured rectangular construction.",
                    "photo 3: an interior zip pocket is visible.",
                    "photo 4: exotic-scale material and black piping are clearly visible."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 2: exterior has no visible Coach branding or characteristic vintage Coach turnlock closure.",
                    "photo 3: the visible lining appears smooth synthetic fabric rather than the unlined suede-backed interior typical of many classic vintage Coach bags.",
                    "photo 1: glossy green\/black snake-pattern exterior and oversized clutch silhouette are not sufficient to identify a Coach model."
                ],
                "missing_information": [
                    "photo request: straight-on photographs of the entire interior, including every label, leather patch, and pocket seam.",
                    "photo request: close-up of zipper pull, closure hardware, and any concealed maker marks.",
                    "photo request: bottom, side, and seam views to assess construction and material authenticity.",
                    "Seller-stated material should be verified; the photos do not establish whether the exterior is genuine snake leather or embossed leather."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided photos; this is best treated as a generic exotic-style clutch rather than a Coach bag.",
                    "The visible synthetic-looking lining and exotic clutch construction do not match a recognizable classic Coach construction, though the interior view is incomplete."
                ],
                "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 3: small gold-tone zipper hardware is visible; no branded engraving is legible. No turnlock or other Coach-typical closure is visible.",
                    "leather_description": "photo 1: glossy green\/black snakeskin-pattern exterior with black piping; material appears exotic or embossed, but genuine species\/material cannot be confirmed from photos.",
                    "lining_description": "photo 3: black interior with a dark blue\/purple-looking fabric-lined zip compartment; full lining and labels are not shown.",
                    "strap_construction": "not_visible; no strap is visible in the provided photos.",
                    "stitching_description": "photos 4-6: central seams and black piping appear visible and generally even, with some wrinkling and edge wear; fine stitch quality cannot be fully assessed."
                },
                "possible_model_reasoning": [
                    "No recognizable Coach model is supported: the bag is an oversized flap clutch without a visible Coach closure, creed, hangtag, or wordmark.",
                    "Seller states a purchase around 20 years ago and an 1980s-looking style, but seller text is unverified and the photos provide no date-specific Coach identifier.",
                    "Condition appears Good to Very Good rather than confirmed Excellent: visible creasing and surface wear are present in photos 1, 2, 4, and 5; interior and odor condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "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": 0.78,
                "estimated_era": "unknown",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior stamped patch \/ brand label straight-on in raking light (photo 1, photo 3 show lining and zip pocket but no patch visible)",
                    "photo of zipper-pull brand stamp and backside of flap closure",
                    "photo of bottom, sides and scale reference to confirm dimensions and construction"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible anywhere",
                    "photo 1-2,4-6: exterior is glossy green\/black snakeskin with black piping - not glove-tanned cowhide unlined classic construction",
                    "photo 1,3: fully leather-lined interior with inset zip pocket with dark navy synthetic lining - not unlined suede-back glove-tanned interior of 1970s-1990s Coach classics",
                    "photo 1-6: no turnlock, no solid-brass hardware, no dogleash clips, no bead-chain hangtag; only small gold-tone zipper",
                    "photo 2: oversized 16.5x9.5 flap clutch silhouette with center seam does not match catalog City Bag, Willis, Court, Dinky, Convertible Clutch proportions or closures"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no turnlock or buckles visible; only small gold-tone zipper on interior pocket in photo 3, brand stamp not_visible",
                    "leather_description": "photo 2,4,5,6: glossy green\/black snakeskin exterior with scale pattern and center seam, black piping trim; not glove-tanned cowhide",
                    "lining_description": "photo 1,3: black smooth leather lining with inset zip pocket lined in dark navy\/purple synthetic fabric",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 2,4: straight center seam stitching on snakeskin; edge piping stitching visible in photo 6; no contrast thread or observable irregularity",
                    "strap_construction": "no strap visible - oversized flap clutch \/ envelope style per photos 1-2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos to decode for era or style; construction (exotic snakeskin, fully lined, no brass turnlock) inconsistent with 1970s-1990s glove-tanned unlined Coach classics",
                    "Oversized 16.5 x 9.5 flap clutch does not match Dinky (9375), Convertible Clutch (9635), Pocket Purse (9755) or other catalog clutches in size, material or closure",
                    "Condition: Excellent to Very Good per seller; photos show glossy intact scales, no corner wear visible, interior looks clean (photo 1,3), but bottom\/corners and odor\/mold not fully assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17767,
            "output_tokens": 814,
            "total_tokens": 18581,
            "estimated_cost_usd": 0.00906
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18102,
            "output_tokens": 1581,
            "total_tokens": 19683,
            "estimated_cost_usd": 0.004885
        }
    ]
}