Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.5,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.88,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a framed kiss-lock closure and chain shoulder strap.",
        "photo 7: Interior shows a woven textile lining and a small sewn label, but no legible Coach branding."
    ],
    "negative_evidence": [
        "photo 1: Exterior is densely crocheted\/woven metallic raffia or synthetic fiber rather than Coach glove-tanned leather or recognizable Coach canvas.",
        "photo 3: The frame and chain hardware do not show a legible COACH wordmark, horse-and-carriage, or other Coach identifier.",
        "photo 7: Interior is textile-lined and lacks a visible Coach creed patch or serial\/style number.",
        "photo 1: Kiss-lock frame handbag construction is generic and does not match a specific Coach model in the reference catalog.",
        "photo 1,2,4,5: body is crocheted magenta raffia\/straw, not glove-tanned cowhide - Coach triage rule requires coach_probability <=0.05",
        "photo 1-3,5: kisslock frame closure, no turnlock present",
        "photo 6: interior is dusty-rose woven fabric lining with small Made in Italy tag, no leather creed patch",
        "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or solid-brass Coach hardware visible",
        "photo 1-3,5: gold-tone chain strap, not Coach leather strap with brass dogleash clips"
    ],
    "missing_information": [
        "photo 7: Straight-on close-up of the interior label, with all text readable.",
        "Photos 1-7: Exact dimensions and a clear photo of the bottom, side seams, and hardware marks.",
        "Photos 1-7: Any additional labels, stamps, or markings hidden inside pockets or under the frame.",
        "No Coach creed patch visible in any photo - no further Coach authentication photos warranted",
        "Seller-stated dimensions and bottom\/side views not shown",
        "Interior pocket or brand label beyond Made in Italy tag not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The raffia\/textile construction is inconsistent with the leather construction of the vintage Coach models under consideration.",
        "photo 7: No Coach creed, serial, or wordmark is visible; the item appears to be an unbranded vintage textile bag rather than a Coach product.",
        "photo 1-6: crocheted raffia body and kisslock frame incompatible with Coach glove-tanned leather production",
        "photo 6: small Made in Italy fabric tag instead of Coach leather creed patch"
    ],
    "possible_model_reasoning": [
        "The framed kiss-lock silhouette is typical of mid-century evening or novelty handbags, but it does not correspond to a documented Coach model based on the visible construction.",
        "The seller's claimed 1950s\u20131960s Italian origin is not verifiable from the photos; the interior label is too small to read.",
        "Condition: Good; visible loose fibers and edge fraying are present, while the frame and chain appear intact. Interior and bottom condition are only partially shown.",
        "No Coach model fits: silhouette is small kisslock raffia pouch with chain, not a catalog glove-tanned turnlock style like Dinky (9375) or Swinger",
        "Materials and construction (crochet, fabric lining, chain, Made in Italy tag) point to 1950s-1960s Italian raffia novelty bag as seller describes, not Coach",
        "Condition: Very Good to Excellent for age; weave intact and color vibrant (photo 1-2), no visible breaks; interior lining appears clean (photo 6), chain with light tarnish"
    ],
    "estimated_era": "unknown",
    "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": "Photos 1-6 show a metal kiss-lock frame, linked chain strap, and mixed gold\/brass-toned frame hardware; no Coach engraving is visible.",
        "leather_description": "Photos 1-6 show densely crocheted or woven magenta metallic fiber\/raffia-like material with fringed edges; no leather exterior is visible.",
        "lining_description": "Photo 7 shows a pink woven textile lining and a small sewn label whose text is not legible.",
        "strap_construction": "Photos 1-6 show a long linked chain strap attached directly at the upper sides of the framed bag.",
        "stitching_description": "Photos 1-7 show woven\/crocheted construction and sewn textile lining; stitch quality appears generally even, with loose fibers\/fraying visible along some edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a framed kiss-lock closure and chain shoulder strap.",
                    "photo 7: Interior shows a woven textile lining and a small sewn label, but no legible Coach branding."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is densely crocheted\/woven metallic raffia or synthetic fiber rather than Coach glove-tanned leather or recognizable Coach canvas.",
                    "photo 3: The frame and chain hardware do not show a legible COACH wordmark, horse-and-carriage, or other Coach identifier.",
                    "photo 7: Interior is textile-lined and lacks a visible Coach creed patch or serial\/style number.",
                    "photo 1: Kiss-lock frame handbag construction is generic and does not match a specific Coach model in the reference catalog."
                ],
                "missing_information": [
                    "photo 7: Straight-on close-up of the interior label, with all text readable.",
                    "Photos 1-7: Exact dimensions and a clear photo of the bottom, side seams, and hardware marks.",
                    "Photos 1-7: Any additional labels, stamps, or markings hidden inside pockets or under the frame."
                ],
                "authenticity_concerns": [
                    "photo 1: The raffia\/textile construction is inconsistent with the leather construction of the vintage Coach models under consideration.",
                    "photo 7: No Coach creed, serial, or wordmark is visible; the item appears to be an unbranded vintage textile bag rather than a Coach product."
                ],
                "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": "Photos 1-6 show a metal kiss-lock frame, linked chain strap, and mixed gold\/brass-toned frame hardware; no Coach engraving is visible.",
                    "leather_description": "Photos 1-6 show densely crocheted or woven magenta metallic fiber\/raffia-like material with fringed edges; no leather exterior is visible.",
                    "lining_description": "Photo 7 shows a pink woven textile lining and a small sewn label whose text is not legible.",
                    "strap_construction": "Photos 1-6 show a long linked chain strap attached directly at the upper sides of the framed bag.",
                    "stitching_description": "Photos 1-7 show woven\/crocheted construction and sewn textile lining; stitch quality appears generally even, with loose fibers\/fraying visible along some edges."
                },
                "possible_model_reasoning": [
                    "The framed kiss-lock silhouette is typical of mid-century evening or novelty handbags, but it does not correspond to a documented Coach model based on the visible construction.",
                    "The seller's claimed 1950s\u20131960s Italian origin is not verifiable from the photos; the interior label is too small to read.",
                    "Condition: Good; visible loose fibers and edge fraying are present, while the frame and chain appear intact. Interior and bottom condition are only partially shown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: crocheted raffia body and kisslock frame incompatible with Coach glove-tanned leather production",
                    "photo 6: small Made in Italy fabric tag instead of Coach leather creed patch"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any photo - no further Coach authentication photos warranted",
                    "Seller-stated dimensions and bottom\/side views not shown",
                    "Interior pocket or brand label beyond Made in Italy tag not shown"
                ],
                "negative_evidence": [
                    "photo 1,2,4,5: body is crocheted magenta raffia\/straw, not glove-tanned cowhide - Coach triage rule requires coach_probability <=0.05",
                    "photo 1-3,5: kisslock frame closure, no turnlock present",
                    "photo 6: interior is dusty-rose woven fabric lining with small Made in Italy tag, no leather creed patch",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or solid-brass Coach hardware visible",
                    "photo 1-3,5: gold-tone chain strap, not Coach leather strap with brass dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with ball clasps (photo 3) and gold-tone curb-chain shoulder strap (photo 1-3); plated costume jewelry tone, not solid vintage Coach brass",
                    "leather_description": "no leather visible; crocheted glossy magenta raffia\/straw weave throughout exterior and frame binding (photo 1,2,4,5)",
                    "lining_description": "dusty-rose woven textile lining visible in open top view (photo 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no leather stitching; crocheted\/looped raffia construction only",
                    "strap_construction": "thin gold-tone metal chain attached to frame ends (photo 1-3,5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is small kisslock raffia pouch with chain, not a catalog glove-tanned turnlock style like Dinky (9375) or Swinger",
                    "Materials and construction (crochet, fabric lining, chain, Made in Italy tag) point to 1950s-1960s Italian raffia novelty bag as seller describes, not Coach",
                    "Condition: Very Good to Excellent for age; weave intact and color vibrant (photo 1-2), no visible breaks; interior lining appears clean (photo 6), chain with light tarnish"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27881,
            "output_tokens": 875,
            "total_tokens": 28756,
            "estimated_cost_usd": 0.013252
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29081,
            "output_tokens": 1546,
            "total_tokens": 30627,
            "estimated_cost_usd": 0.007053
        }
    ]
}