Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.1,
    "vintage_probability": 0.155,
    "authenticity_confidence": 0.09,
    "image_quality_score": 0.515,
    "seller_misidentification_probability": 0.11,
    "confidence": 0.625,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: black leather-like handbag with a compact shoulder-bag silhouette",
        "photo 2: visible multi-compartment construction and a small exterior flap pocket",
        "photo 3: interior zipper pocket and fabric lining are visible",
        "photo 4: gold-tone zipper and hardware are visible",
        "photo 2, photo 5, photo 6: small black leather flap crossbody handbag silhouette broadly similar in scale to vintage crossbodies",
        "photo 5: front flap compartment with metal lock"
    ],
    "negative_evidence": [
        "photo 2: the exterior closure appears to be a generic rectangular clasp rather than a recognizable Coach turnlock",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible",
        "photos 3-4: fabric lining and multiple zippered compartments are not characteristic evidence for a classic vintage unlined Coach leather bag",
        "photos 1-7: construction and hardware appear generic, with no distinctive Coach identifiers",
        "photo 3, photo 4: grey fabric lining visible, not unlined suede-back glove-tanned leather",
        "photo 2, photo 6: shiny coated-looking black leather with high gloss, not matte glove-tanned full-grain",
        "photo 5: front closure is blocky rectangular lock, not Coach turnlock geometry",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 2, photo 6: bright gold-tone exposed back zipper, plated appearance, no solid-brass vintage look"
    ],
    "missing_information": [
        "A straight-on photo of the entire interior back wall and every interior pocket for a possible creed patch or fabric label",
        "Close-up photos of all hardware, zipper pulls, clasp, strap attachments, and any markings",
        "Full front, back, side, bottom, and strap photos",
        "Seller-stated dimensions and confirmation of whether the material is genuine leather",
        "photo of interior back wall \/ slip pocket straight-on in raking light to confirm no creed patch",
        "close-up of front lock front and back plate",
        "zipper pull brand stamp",
        "hangtag if present, both faces",
        "bottom and corners and strap ends for condition",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The bag lacks visible Coach identifiers and has generic construction; it is more consistent with an unbranded leather handbag or lookalike than an identifiable Coach model",
        "The fabric-lined, compartmentalized design does not strongly match the classic vintage Coach styles suggested by the solid black leather exterior",
        "photo 3, photo 4: fabric lining on a flap bag with vintage-style shape is inconsistent with 1970s-1990s Coach classics which are unlined",
        "photo 5: front lock is rectangular plate with small round knob, not classic Coach turnlock geometry with wide oval back plate and slim rounded tab",
        "no Coach identifier visible in any photo to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model can be matched confidently from the visible silhouette or compartment layout; the design is generic and does not show a recognizable Coach classic closure or identifier.",
        "Condition: Good; visible creasing and surface wear are present (photos 1, 2, 5, and 7), while the interior appears used but intact (photos 3-4). Bottom, corners, and full strap condition are not fully shown.",
        "No Coach model fits: 3-compartment zip-middle construction with 2 exterior pockets, fabric lining, and rectangular knob lock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other catalog classics",
        "No serial decode possible - no number visible; era by construction is modern non-Coach",
        "Condition: Good to Very Good per seller text; photos blurry with glare, corners and interior wear cannot be graded accurately, lining and surface gloss suggest modern department-store bag"
    ],
    "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 2: small gold-tone rectangular clasp on the exterior pocket; photos 3-7: gold-tone zipper hardware; no Coach engraving is legible",
        "leather_description": "photos 1-2 and 5-7: smooth black leather or leather-like material with creasing and surface wear; exact material is not confirmed",
        "lining_description": "photos 3-4: gray-brown fabric lining with multiple compartments and interior zipper pockets",
        "strap_construction": "photos 2 and 5: narrow attached shoulder strap is visible, but its full construction and adjustment hardware are not shown",
        "stitching_description": "photos 1-7: visible perimeter stitching appears generally even, but resolution and glare limit detailed assessment"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0049,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.12,
                "vintage_probability": 0.16,
                "authenticity_confidence": 0.1,
                "image_quality_score": 0.68,
                "seller_misidentification_probability": 0.14,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: black leather-like handbag with a compact shoulder-bag silhouette",
                    "photo 2: visible multi-compartment construction and a small exterior flap pocket",
                    "photo 3: interior zipper pocket and fabric lining are visible",
                    "photo 4: gold-tone zipper and hardware are visible"
                ],
                "negative_evidence": [
                    "photo 2: the exterior closure appears to be a generic rectangular clasp rather than a recognizable Coach turnlock",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible",
                    "photos 3-4: fabric lining and multiple zippered compartments are not characteristic evidence for a classic vintage unlined Coach leather bag",
                    "photos 1-7: construction and hardware appear generic, with no distinctive Coach identifiers"
                ],
                "missing_information": [
                    "A straight-on photo of the entire interior back wall and every interior pocket for a possible creed patch or fabric label",
                    "Close-up photos of all hardware, zipper pulls, clasp, strap attachments, and any markings",
                    "Full front, back, side, bottom, and strap photos",
                    "Seller-stated dimensions and confirmation of whether the material is genuine leather"
                ],
                "authenticity_concerns": [
                    "The bag lacks visible Coach identifiers and has generic construction; it is more consistent with an unbranded leather handbag or lookalike than an identifiable Coach model",
                    "The fabric-lined, compartmentalized design does not strongly match the classic vintage Coach styles suggested by the solid black leather exterior"
                ],
                "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 2: small gold-tone rectangular clasp on the exterior pocket; photos 3-7: gold-tone zipper hardware; no Coach engraving is legible",
                    "leather_description": "photos 1-2 and 5-7: smooth black leather or leather-like material with creasing and surface wear; exact material is not confirmed",
                    "lining_description": "photos 3-4: gray-brown fabric lining with multiple compartments and interior zipper pockets",
                    "strap_construction": "photos 2 and 5: narrow attached shoulder strap is visible, but its full construction and adjustment hardware are not shown",
                    "stitching_description": "photos 1-7: visible perimeter stitching appears generally even, but resolution and glare limit detailed assessment"
                },
                "possible_model_reasoning": [
                    "No Coach model can be matched confidently from the visible silhouette or compartment layout; the design is generic and does not show a recognizable Coach classic closure or identifier.",
                    "Condition: Good; visible creasing and surface wear are present (photos 1, 2, 5, and 7), while the interior appears used but intact (photos 3-4). Bottom, corners, and full strap condition are not fully shown."
                ],
                "confidence": 0.7,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3, photo 4: fabric lining on a flap bag with vintage-style shape is inconsistent with 1970s-1990s Coach classics which are unlined",
                    "photo 5: front lock is rectangular plate with small round knob, not classic Coach turnlock geometry with wide oval back plate and slim rounded tab",
                    "no Coach identifier visible in any photo to support Coach manufacture"
                ],
                "authenticity_confidence": 0.08,
                "coach_probability": 0.08,
                "confidence": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on in raking light to confirm no creed patch",
                    "close-up of front lock front and back plate",
                    "zipper pull brand stamp",
                    "hangtag if present, both faces",
                    "bottom and corners and strap ends for condition",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 3, photo 4: grey fabric lining visible, not unlined suede-back glove-tanned leather",
                    "photo 2, photo 6: shiny coated-looking black leather with high gloss, not matte glove-tanned full-grain",
                    "photo 5: front closure is blocky rectangular lock, not Coach turnlock geometry",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 2, photo 6: bright gold-tone exposed back zipper, plated appearance, no solid-brass vintage look"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone exposed zippers and front flap lock; photo 5: rectangular front plate with small round knob; bright plated appearance, not heavy solid brass",
                    "leather_description": "black smooth leather with shiny coated appearance and creasing; not matte glove-tanned grain visible due to blur and glare",
                    "lining_description": "photo 3, photo 4: grey fabric lining in compartments and zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - too blurry to assess stitch evenness or thread match",
                    "strap_construction": "photo 2: thin fixed long crossbody strap, same black material, no buckle adjustment or dogleash clips visible",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 2, photo 5, photo 6: small black leather flap crossbody handbag silhouette broadly similar in scale to vintage crossbodies",
                    "photo 5: front flap compartment with metal lock"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: 3-compartment zip-middle construction with 2 exterior pockets, fabric lining, and rectangular knob lock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other catalog classics",
                    "No serial decode possible - no number visible; era by construction is modern non-Coach",
                    "Condition: Good to Very Good per seller text; photos blurry with glare, corners and interior wear cannot be graded accurately, lining and surface gloss suggest modern department-store bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.08,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17710,
            "output_tokens": 868,
            "total_tokens": 18578,
            "estimated_cost_usd": 0.009167
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18045,
            "output_tokens": 1504,
            "total_tokens": 19549,
            "estimated_cost_usd": 0.004812
        }
    ]
}