Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.81,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-looking crossbody handbag with an attached long strap and matching small accessories",
        "photo 2: complete front view shows a structured rectangular satchel silhouette"
    ],
    "negative_evidence": [
        "photo 1: seller describes soft eel skin, an exotic textured leather unlike Coach's typical vintage glove-tanned cowhide",
        "photo 1: prominent decorative gold-tone frame clasp and circular hardware are not characteristic of the listed vintage Coach classic models",
        "photo 2: no visible Coach wordmark, horse-and-carriage, or leather hangtag",
        "photo 3: zipper pull visibly appears to read a non-Coach brand or maker name rather than Coach",
        "photo 1: coordinated handbag, clutch, coin purse, and wallet set has generic fashion-accessory construction rather than a recognizable Coach line",
        "photo 6: bottom construction and extensive panel stitching do not provide a visible Coach identifier",
        "photo 1-6: material is pieced eel skin in slate blue-gray, not Coach glove-tanned cowhide",
        "photo 1,2,4: satchel silhouette with center tab closure and top zip, no turnlock and no Coach catalog match",
        "photo 3: plastic Victory zipper pull, not Talon\/YKK solid brass vintage Coach zipper",
        "photo 1,5: gold-tone kisslock coin purse and snap strap attachments, not Coach solid-brass turnlock\/dogleash hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-6: interior of the main bag is not shown",
        "photo 1-6: no close-up of an interior brand label, creed patch, or fabric tag",
        "photo 1-6: no close-up of all zipper pulls, clasp markings, or strap attachments",
        "seller-stated dimensions, material origin, and any maker or country label are unavailable",
        "photo 1-6: interior views and any interior leather patch \/ creed not shown",
        "photo 1-6: no COACH wordmark, hangtag, or creed visible - request close-up of any interior stamps or labels",
        "photo 3: zipper brand appears Victory - request hardware stamp close-ups if claiming designer origin"
    ],
    "authenticity_concerns": [
        "photo 1: exotic eel-skin appearance, ornate frame clasp, and generic multi-piece set are inconsistent with the common vintage Coach catalog reviewed",
        "photo 3: zipper pull appears to carry non-Coach branding, which argues against a Coach attribution"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the frame clasp, glossy vertically paneled exotic-skin appearance, and accessory set do not resemble the listed City Bag, Willis, Court, Station, Dinky, or other classic Coach silhouettes.",
        "Era is uncertain from construction alone; the styling and non-Coach-looking zipper pull support a generic modern or late-vintage fashion accessory rather than a dated Coach classic.",
        "Condition appears Very Good overall: photos show intact structure and stitching with some surface creasing, handling wear, and finish variation; the interior and odor are unknown.",
        "No Coach model fits: eel-skin multi-piece set with kisslock purse and Victory zip is inconsistent with Coach glove-tanned classics catalog; no identifiers to decode",
        "Condition: Good to Very Good for age; eel skin glossy with light wear and creasing (photo 2,4), bottom intact (photo 6), interior and odor unknown so grade 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 and photo 5: gold-tone metal frame clasp and side attachment hardware; photo 3: zipper pull has visible non-Coach-looking marking",
        "leather_description": "photo 1: glossy dark blue-gray leather with repeated narrow vertical textured panels, described by seller as eel skin; exotic-skin identification is not independently verifiable from photos",
        "lining_description": "not_visible - interior not shown",
        "strap_construction": "photo 2 and photo 4: long narrow adjustable-looking shoulder strap attached at side rings; strap appears textured and matching the bag",
        "stitching_description": "photo 1-6: generally straight machine stitching around panels and edges; multiple stitched vertical leather sections are visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.03,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-looking crossbody handbag with an attached long strap and matching small accessories",
                    "photo 2: complete front view shows a structured rectangular satchel silhouette"
                ],
                "negative_evidence": [
                    "photo 1: seller describes soft eel skin, an exotic textured leather unlike Coach's typical vintage glove-tanned cowhide",
                    "photo 1: prominent decorative gold-tone frame clasp and circular hardware are not characteristic of the listed vintage Coach classic models",
                    "photo 2: no visible Coach wordmark, horse-and-carriage, or leather hangtag",
                    "photo 3: zipper pull visibly appears to read a non-Coach brand or maker name rather than Coach",
                    "photo 1: coordinated handbag, clutch, coin purse, and wallet set has generic fashion-accessory construction rather than a recognizable Coach line",
                    "photo 6: bottom construction and extensive panel stitching do not provide a visible Coach identifier"
                ],
                "missing_information": [
                    "photo 1-6: interior of the main bag is not shown",
                    "photo 1-6: no close-up of an interior brand label, creed patch, or fabric tag",
                    "photo 1-6: no close-up of all zipper pulls, clasp markings, or strap attachments",
                    "seller-stated dimensions, material origin, and any maker or country label are unavailable"
                ],
                "authenticity_concerns": [
                    "photo 1: exotic eel-skin appearance, ornate frame clasp, and generic multi-piece set are inconsistent with the common vintage Coach catalog reviewed",
                    "photo 3: zipper pull appears to carry non-Coach branding, which argues against a Coach attribution"
                ],
                "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 and photo 5: gold-tone metal frame clasp and side attachment hardware; photo 3: zipper pull has visible non-Coach-looking marking",
                    "leather_description": "photo 1: glossy dark blue-gray leather with repeated narrow vertical textured panels, described by seller as eel skin; exotic-skin identification is not independently verifiable from photos",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2 and photo 4: long narrow adjustable-looking shoulder strap attached at side rings; strap appears textured and matching the bag",
                    "stitching_description": "photo 1-6: generally straight machine stitching around panels and edges; multiple stitched vertical leather sections are visible"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the frame clasp, glossy vertically paneled exotic-skin appearance, and accessory set do not resemble the listed City Bag, Willis, Court, Station, Dinky, or other classic Coach silhouettes.",
                    "Era is uncertain from construction alone; the styling and non-Coach-looking zipper pull support a generic modern or late-vintage fashion accessory rather than a dated Coach classic.",
                    "Condition appears Very Good overall: photos show intact structure and stitching with some surface creasing, handling wear, and finish variation; the interior and odor are unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "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": [
                    "photo 1-6: interior views and any interior leather patch \/ creed not shown",
                    "photo 1-6: no COACH wordmark, hangtag, or creed visible - request close-up of any interior stamps or labels",
                    "photo 3: zipper brand appears Victory - request hardware stamp close-ups if claiming designer origin"
                ],
                "negative_evidence": [
                    "photo 1-6: material is pieced eel skin in slate blue-gray, not Coach glove-tanned cowhide",
                    "photo 1,2,4: satchel silhouette with center tab closure and top zip, no turnlock and no Coach catalog match",
                    "photo 3: plastic Victory zipper pull, not Talon\/YKK solid brass vintage Coach zipper",
                    "photo 1,5: gold-tone kisslock coin purse and snap strap attachments, not Coach solid-brass turnlock\/dogleash hardware",
                    "photo 1-6: 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": "gold-tone kisslock frame on coin purse (photo 1); gray Victory plastic zipper pull (photo 3); gold-tone D-rings and snap buttons for strap (photo 3,5); no turnlock present",
                    "leather_description": "slate blue-gray pieced eel skin with characteristic striped spine texture and glossy finish, seen on satchel, clutch, coin purse and wallet (photo 1-6)",
                    "lining_description": "not_visible - interior not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching tone-matched to eel skin, visible perimeter stitching on panels (photo 2,4,6)",
                    "strap_construction": "thin flat eel-skin crossbody strap attached with snaps\/D-rings, non-adjustable buckle visible (photo 2-5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: eel-skin multi-piece set with kisslock purse and Victory zip is inconsistent with Coach glove-tanned classics catalog; no identifiers to decode",
                    "Condition: Good to Very Good for age; eel skin glossy with light wear and creasing (photo 2,4), bottom intact (photo 6), interior and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23522,
            "output_tokens": 822,
            "total_tokens": 24344,
            "estimated_cost_usd": 0.011382
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24374,
            "output_tokens": 1033,
            "total_tokens": 25407,
            "estimated_cost_usd": 0.005701
        }
    ]
}