Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.685,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 8,
    "estimated_resale_low": 8,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is covered in cream-colored beads with a floral pattern rather than Coach glove-tanned leather, coated canvas, or a recognizable Coach textile.",
        "photo 2: The bag has a large framed kiss-lock opening and gold-tone frame hardware, not a documented Coach turnlock construction.",
        "photo 2: Satin fabric lining is visible; classic vintage Coach handbag interiors are generally unlined suede rather than satin.",
        "photo 3: The interior shows no visible Coach creed, wordmark, horse-and-carriage mark, or serial\/style number.",
        "photo 1: The chain strap and beaded evening-bag construction are typical of generic formal handbags and do not establish Coach origin.",
        "photo 1: entire body is cream beaded textile with floral pattern, not glove-tanned leather",
        "photo 2: cream satin fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1, photo 2: kiss-lock frame closure with gold-tone chain strap, no turnlock, no leather hangtag, no COACH wordmark",
        "photo 2, photo 3: no creed patch visible on interior back wall or pocket",
        "photo 1: discoloration \/ yellowing spots on beading noted by seller"
    ],
    "missing_information": [
        "photo 2-3: No close-up of any interior label, maker stamp, or hidden brand marking.",
        "photo 1-3: Bottom, side, and hardware stamp views are not provided.",
        "photo 1-3: The listing's claimed 1950s\/1960s dating is seller-provided and cannot be verified from these photos alone.",
        "No Coach identifiers to request - construction already excludes Coach; for generic resale value would need close-up of bead loss and frame tarnish"
    ],
    "authenticity_concerns": [
        "photo 1-3: The visible materials and construction are inconsistent with the usual Coach handbag population; this appears to be a generic beaded evening bag rather than a Coach product.",
        "photo 2-3: No Coach identifier is visible, so a Coach attribution cannot be supported."
    ],
    "possible_model_reasoning": [
        "photo 1-3: The silhouette and kiss-lock frame identify this as a beaded formal\/evening handbag, not a close match to a documented Coach handbag model.",
        "photo 1-4: The beadwork, satin lining, and frame construction could be consistent with a mid-century or later vintage evening bag, but the photographs do not establish a precise date.",
        "photo 2-3: Condition appears Good due to visible lining discoloration and wear; the exterior beadwork appears substantially intact, but underside and attachment points are not fully shown.",
        "No Coach model fits: beaded evening bag with satin lining and kiss-lock frame is outside Coach leather-goods construction; Cashin-era kisslock bags were leather, not beaded",
        "Era reasoning: beaded kiss-lock evening bag type is 1950s-1960s style generic, not any Coach era creed\/cartouche\/serial system",
        "Condition: Good; seller notes discolorations visible in photo 1 as yellowing spots on beading, frame tarnish in photo 2, otherwise intact beading and clean satin lining"
    ],
    "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 1-3: Gold-tone rectangular metal frame with kiss-lock closure and fine chain strap; no Coach engraving is visible.",
        "leather_description": "photo 1-4: No leather body is visible; the exterior is densely beaded in cream and gold-toned beads.",
        "lining_description": "photo 2-3: Light satin-like fabric lining with visible discoloration or staining.",
        "strap_construction": "photo 1-2: Fine gold-tone chain attached at two upper side points.",
        "stitching_description": "not_visible - beaded construction, no leather stitching visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag is covered in cream-colored beads with a floral pattern rather than Coach glove-tanned leather, coated canvas, or a recognizable Coach textile.",
                    "photo 2: The bag has a large framed kiss-lock opening and gold-tone frame hardware, not a documented Coach turnlock construction.",
                    "photo 2: Satin fabric lining is visible; classic vintage Coach handbag interiors are generally unlined suede rather than satin.",
                    "photo 3: The interior shows no visible Coach creed, wordmark, horse-and-carriage mark, or serial\/style number.",
                    "photo 1: The chain strap and beaded evening-bag construction are typical of generic formal handbags and do not establish Coach origin."
                ],
                "missing_information": [
                    "photo 2-3: No close-up of any interior label, maker stamp, or hidden brand marking.",
                    "photo 1-3: Bottom, side, and hardware stamp views are not provided.",
                    "photo 1-3: The listing's claimed 1950s\/1960s dating is seller-provided and cannot be verified from these photos alone."
                ],
                "authenticity_concerns": [
                    "photo 1-3: The visible materials and construction are inconsistent with the usual Coach handbag population; this appears to be a generic beaded evening bag rather than a Coach product.",
                    "photo 2-3: No Coach identifier is visible, so a Coach attribution cannot be supported."
                ],
                "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 1-3: Gold-tone rectangular metal frame with kiss-lock closure and fine chain strap; no Coach engraving is visible.",
                    "leather_description": "photo 1-4: No leather body is visible; the exterior is densely beaded in cream and gold-toned beads.",
                    "lining_description": "photo 2-3: Light satin-like fabric lining with visible discoloration or staining.",
                    "strap_construction": "photo 1-2: Fine gold-tone chain attached at two upper side points.",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "photo 1-3: The silhouette and kiss-lock frame identify this as a beaded formal\/evening handbag, not a close match to a documented Coach handbag model.",
                    "photo 1-4: The beadwork, satin lining, and frame construction could be consistent with a mid-century or later vintage evening bag, but the photographs do not establish a precise date.",
                    "photo 2-3: Condition appears Good due to visible lining discoloration and wear; the exterior beadwork appears substantially intact, but underside and attachment points are not fully shown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to request - construction already excludes Coach; for generic resale value would need close-up of bead loss and frame tarnish"
                ],
                "negative_evidence": [
                    "photo 1: entire body is cream beaded textile with floral pattern, not glove-tanned leather",
                    "photo 2: cream satin fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1, photo 2: kiss-lock frame closure with gold-tone chain strap, no turnlock, no leather hangtag, no COACH wordmark",
                    "photo 2, photo 3: no creed patch visible on interior back wall or pocket",
                    "photo 1: discoloration \/ yellowing spots on beading noted by seller"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kiss-lock frame with ball clasp and thin gold-tone chain strap; tarnish \/ wear on frame visible in photo 2",
                    "leather_description": "no leather visible; exterior is cream glass\/plastic beading in floral pattern",
                    "lining_description": "cream \/ off-white satin fabric lining visible in photo 2 and photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - beaded construction, no leather stitching visible",
                    "strap_construction": "thin gold-tone metal chain strap attached to frame ends, photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: beaded evening bag with satin lining and kiss-lock frame is outside Coach leather-goods construction; Cashin-era kisslock bags were leather, not beaded",
                    "Era reasoning: beaded kiss-lock evening bag type is 1950s-1960s style generic, not any Coach era creed\/cartouche\/serial system",
                    "Condition: Good; seller notes discolorations visible in photo 1 as yellowing spots on beading, frame tarnish in photo 2, otherwise intact beading and clean satin lining"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16990,
            "output_tokens": 966,
            "total_tokens": 17956,
            "estimated_cost_usd": 0.009114
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17315,
            "output_tokens": 1472,
            "total_tokens": 18787,
            "estimated_cost_usd": 0.004641
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}