Vintage Coach Hunter

{
    "is_handbag_probability": 0.925,
    "coach_probability": 0.02,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.36,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.735,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item appears to be a small handbag with an opening and closure.",
        "photo 1: The seller's stated approximate dimensions are consistent with a small handbag."
    ],
    "negative_evidence": [
        "photo 1: The visible exterior is densely beaded\/textile rather than Coach glove-tanned leather or Coach signature canvas.",
        "photo 1: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware is visible.",
        "photo 1: The closure appears to be a small snap or pin button, not a Coach turnlock.",
        "photo 1: The construction is consistent with a generic beaded evening handbag.",
        "photo 1: body made of large black plastic\/wood beads, not glove-tanned leather",
        "photo 1: black fabric lining with snap-button closure, not unlined suede interior",
        "photo 1: no creed patch, no COACH wordmark, no hangtag, no turnlock visible",
        "photo 1: construction type (beaded evening bag) never used for vintage Coach classics"
    ],
    "missing_information": [
        "photo 1: No full front, back, side, bottom, strap, or interior overview is provided.",
        "photo 1: A full interior view and any labels or maker marks should be requested if brand identification is important.",
        "photo 1: Condition of the entire beadwork, lining, seams, and handle or strap cannot be assessed from this close-up.",
        "Only one close-up interior\/top view provided; no front, back, side, bottom, or full views",
        "No creed patch or brand label shown",
        "No exterior, strap, hardware marks, or dimensions scale shown"
    ],
    "authenticity_concerns": [
        "photo 1: The visible beaded construction and snap closure are inconsistent with the typical vintage Coach leather handbag population.",
        "photo 1: No Coach identifier is visible; based on the available image, this should be treated as a non-Coach beaded handbag."
    ],
    "possible_model_reasoning": [
        "photo 1: The beadwork, compact proportions, and snap closure do not match the listed classic Coach leather styles; no Coach model is suggested.",
        "photo 1: The seller's use of 'vintage' is unverified by the single close-up and does not establish a production era.",
        "photo 1: Condition cannot be reliably graded because only a small close-up is provided; bead and seam condition elsewhere is unknown.",
        "Beaded construction with fabric lining and snap closure is inconsistent with any Coach catalog style in \u00a74; no Coach identifiers visible",
        "Condition cannot be graded from single dusty close-up; beads appear dusty with surface lint in photo 1",
        "Priced as generic secondhand beaded evening bag per \u00a78.1"
    ],
    "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: Small dark metal snap or pin-style closure visible; no Coach-marked hardware visible.",
        "leather_description": "photo 1: No leather body is visible; exterior appears to be black beaded textile or mesh.",
        "lining_description": "photo 1: Dark fabric-like interior or backing is partially visible; full lining cannot be assessed.",
        "strap_construction": "not_visible",
        "stitching_description": "photo 1: Edge stitching or seam is partially visible, but full stitch quality and construction cannot be assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.95,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.42,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item appears to be a small handbag with an opening and closure.",
                    "photo 1: The seller's stated approximate dimensions are consistent with a small handbag."
                ],
                "negative_evidence": [
                    "photo 1: The visible exterior is densely beaded\/textile rather than Coach glove-tanned leather or Coach signature canvas.",
                    "photo 1: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware is visible.",
                    "photo 1: The closure appears to be a small snap or pin button, not a Coach turnlock.",
                    "photo 1: The construction is consistent with a generic beaded evening handbag."
                ],
                "missing_information": [
                    "photo 1: No full front, back, side, bottom, strap, or interior overview is provided.",
                    "photo 1: A full interior view and any labels or maker marks should be requested if brand identification is important.",
                    "photo 1: Condition of the entire beadwork, lining, seams, and handle or strap cannot be assessed from this close-up."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible beaded construction and snap closure are inconsistent with the typical vintage Coach leather handbag population.",
                    "photo 1: No Coach identifier is visible; based on the available image, this should be treated as a non-Coach beaded handbag."
                ],
                "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: Small dark metal snap or pin-style closure visible; no Coach-marked hardware visible.",
                    "leather_description": "photo 1: No leather body is visible; exterior appears to be black beaded textile or mesh.",
                    "lining_description": "photo 1: Dark fabric-like interior or backing is partially visible; full lining cannot be assessed.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 1: Edge stitching or seam is partially visible, but full stitch quality and construction cannot be assessed."
                },
                "possible_model_reasoning": [
                    "photo 1: The beadwork, compact proportions, and snap closure do not match the listed classic Coach leather styles; no Coach model is suggested.",
                    "photo 1: The seller's use of 'vintage' is unverified by the single close-up and does not establish a production era.",
                    "photo 1: Condition cannot be reliably graded because only a small close-up is provided; bead and seam condition elsewhere is unknown."
                ],
                "confidence": 0.72,
                "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": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "Only one close-up interior\/top view provided; no front, back, side, bottom, or full views",
                    "No creed patch or brand label shown",
                    "No exterior, strap, hardware marks, or dimensions scale shown"
                ],
                "negative_evidence": [
                    "photo 1: body made of large black plastic\/wood beads, not glove-tanned leather",
                    "photo 1: black fabric lining with snap-button closure, not unlined suede interior",
                    "photo 1: no creed patch, no COACH wordmark, no hangtag, no turnlock visible",
                    "photo 1: construction type (beaded evening bag) never used for vintage Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone snap-button closure visible on interior fabric; no brass turnlock or Coach hardware",
                    "leather_description": "no leather visible; exterior appears to be large black plastic beads",
                    "lining_description": "black woven fabric lining visible inside top opening",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored stitching along black fabric top binding; no leather stitching visible",
                    "strap_construction": "not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Beaded construction with fabric lining and snap closure is inconsistent with any Coach catalog style in \u00a74; no Coach identifiers visible",
                    "Condition cannot be graded from single dusty close-up; beads appear dusty with surface lint in photo 1",
                    "Priced as generic secondhand beaded evening bag per \u00a78.1"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15595,
            "output_tokens": 739,
            "total_tokens": 16334,
            "estimated_cost_usd": 0.008012
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15922,
            "output_tokens": 1096,
            "total_tokens": 17018,
            "estimated_cost_usd": 0.004061
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}