Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.675,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.9,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is a crocheted raffia\/straw-style handbag with beaded floral decoration, not a leather Coach construction.",
        "photo 1: it has a cream-colored plastic frame and plastic handle, whereas vintage Coach classics generally use glove-tanned leather and solid brass hardware.",
        "photo 3: the interior is fabric-lined with a toile-style floral print; this is inconsistent with the unlined suede-backed interiors of many classic vintage Coach bags.",
        "photo 2: the closure hardware is a generic frame clasp with visible plated metal, not a Coach turnlock.",
        "photos 1-4: no legible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 1: body is crocheted raffia\/straw with beaded floral overlay, not glove-tanned leather",
        "photo 1, photo 3: rigid cream plastic top handle and plastic frame, not leather strap or solid brass hardware",
        "photo 2, photo 3: kisslock\/clasp closure, no turnlock present",
        "photo 3, photo 4: toile-patterned fabric lining with center zip pocket, not unlined suede interior",
        "photo 1-4: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 1-4: no underside, back, side, or maker-label photograph is provided.",
        "photo 3-4: the interior maker label and any small sewn-in tags are not shown.",
        "photo 1-2: no close-up of the handle attachment or frame markings beyond the generic hardware is available.",
        "no Coach identifiers to request - bag construction already excludes Coach; no further photos needed for Coach assessment"
    ],
    "authenticity_concerns": [
        "photos 1-4: the materials, plastic frame, floral crocheted body, and toile lining identify this as a non-Coach style rather than a likely Coach bag.",
        "photos 1-4: no Coach identifier is visible, and the construction is inconsistent with the vintage Coach leather handbag population."
    ],
    "possible_model_reasoning": [
        "photos 1-4: no Coach model is plausible from the visible construction; this is a framed crochet\/raffia evening or novelty purse.",
        "photo 1: the approximately 11-inch-wide frame and short handle fit a generic mid-century or retro beaded handbag silhouette, but silhouette alone does not indicate Coach.",
        "Condition: Good; visible age-related discoloration or marks on the cream frame and metal hardware (photos 1-2), with the bag otherwise structurally intact in the shown views. Exterior bottom, back, and odor are unknown.",
        "No Coach model fits: raffia\/crochet body, plastic handle\/frame, kisslock closure and toile fabric lining are inconsistent with any Coach catalog style in \u00a74",
        "Materials rule per \u00a71 and \u00a75: straw, beads, crochet, plastic hardware = coach_probability <=0.05 unless Coach identifier visible; none visible",
        "Condition: Good; exterior weave intact with light soiling\/wear (photo 1), metal clasp tarnished (photo 2), interior lining appears intact but with light age spots (photo 4)"
    ],
    "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 1-2: cream plastic frame and handle with small metal handle mounts, a generic metal frame clasp, and a visible metal zipper in the interior.",
        "leather_description": "photos 1-2: no leather is visible; the exterior appears to be crocheted raffia or straw-like synthetic\/natural fiber with bead decoration.",
        "lining_description": "photos 3-4: cream fabric lining with a dark floral\/toile print and an interior zip pocket.",
        "strap_construction": "photo 1: short fixed top handle; no shoulder strap is visible.",
        "stitching_description": "photos 3-4: fabric lining appears sewn into the frame; detailed exterior stitching quality is not clearly assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.75,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is a crocheted raffia\/straw-style handbag with beaded floral decoration, not a leather Coach construction.",
                    "photo 1: it has a cream-colored plastic frame and plastic handle, whereas vintage Coach classics generally use glove-tanned leather and solid brass hardware.",
                    "photo 3: the interior is fabric-lined with a toile-style floral print; this is inconsistent with the unlined suede-backed interiors of many classic vintage Coach bags.",
                    "photo 2: the closure hardware is a generic frame clasp with visible plated metal, not a Coach turnlock.",
                    "photos 1-4: no legible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "photo 1-4: no underside, back, side, or maker-label photograph is provided.",
                    "photo 3-4: the interior maker label and any small sewn-in tags are not shown.",
                    "photo 1-2: no close-up of the handle attachment or frame markings beyond the generic hardware is available."
                ],
                "authenticity_concerns": [
                    "photos 1-4: the materials, plastic frame, floral crocheted body, and toile lining identify this as a non-Coach style rather than a likely Coach bag.",
                    "photos 1-4: no Coach identifier is visible, and the construction is inconsistent with the vintage Coach leather handbag population."
                ],
                "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 1-2: cream plastic frame and handle with small metal handle mounts, a generic metal frame clasp, and a visible metal zipper in the interior.",
                    "leather_description": "photos 1-2: no leather is visible; the exterior appears to be crocheted raffia or straw-like synthetic\/natural fiber with bead decoration.",
                    "lining_description": "photos 3-4: cream fabric lining with a dark floral\/toile print and an interior zip pocket.",
                    "strap_construction": "photo 1: short fixed top handle; no shoulder strap is visible.",
                    "stitching_description": "photos 3-4: fabric lining appears sewn into the frame; detailed exterior stitching quality is not clearly assessable."
                },
                "possible_model_reasoning": [
                    "photos 1-4: no Coach model is plausible from the visible construction; this is a framed crochet\/raffia evening or novelty purse.",
                    "photo 1: the approximately 11-inch-wide frame and short handle fit a generic mid-century or retro beaded handbag silhouette, but silhouette alone does not indicate Coach.",
                    "Condition: Good; visible age-related discoloration or marks on the cream frame and metal hardware (photos 1-2), with the bag otherwise structurally intact in the shown views. Exterior bottom, back, and odor are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no Coach identifiers to request - bag construction already excludes Coach; no further photos needed for Coach assessment"
                ],
                "negative_evidence": [
                    "photo 1: body is crocheted raffia\/straw with beaded floral overlay, not glove-tanned leather",
                    "photo 1, photo 3: rigid cream plastic top handle and plastic frame, not leather strap or solid brass hardware",
                    "photo 2, photo 3: kisslock\/clasp closure, no turnlock present",
                    "photo 3, photo 4: toile-patterned fabric lining with center zip pocket, not unlined suede interior",
                    "photo 1-4: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "cream-colored plastic frame and top handle with silver-tone metal ferrules and kisslock clasp; clasp shows tarnish\/discoloration in photo 2; no brass, no COACH stamping visible",
                    "leather_description": "no leather visible; woven crocheted raffia\/straw-like synthetic\/natural fiber with small light beads in floral pattern",
                    "lining_description": "light fabric lining with dark blue toile floral\/tree print, center zippered compartment visible in photo 3 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; crochet weave construction, no leather stitching to assess",
                    "strap_construction": "rigid U-shaped plastic top handle attached with metal collars; no detachable shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: raffia\/crochet body, plastic handle\/frame, kisslock closure and toile fabric lining are inconsistent with any Coach catalog style in \u00a74",
                    "Materials rule per \u00a71 and \u00a75: straw, beads, crochet, plastic hardware = coach_probability <=0.05 unless Coach identifier visible; none visible",
                    "Condition: Good; exterior weave intact with light soiling\/wear (photo 1), metal clasp tarnished (photo 2), interior lining appears intact but with light age spots (photo 4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 807,
            "total_tokens": 17660,
            "estimated_cost_usd": 0.008678
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}