Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.475,
    "confidence": 0.93,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is a textile\/tweed tote rather than a vintage glove-tanned leather Coach handbag.",
        "photo 1: a prominent CHANEL wordmark and interlocking-CC-style floral decoration are visible on the front and hangtag.",
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, or Coach-style leather construction is visible.",
        "photo 1: the novelty tweed, appliqu\u00e9d decoration, and white fashion hangtag are inconsistent with the classic vintage Coach construction described in the reference.",
        "photo 1: the listing title identifies the bag as a novelty tweed sequined\/plaid tote and seller brand is Unbranded.",
        "photo 1: woven tweed \/ boucle fabric body in green-white check, not glove-tanned leather",
        "photo 1: large interlocking CC applique with pearls, not Coach wordmark or horse-and-carriage",
        "photo 1: paper tag reading CHANEL hanging from strap, no Coach creed or leather hangtag",
        "photo 1: fabric shoulder straps in same tweed, no brass turnlock, no solid brass hardware, no dogleash clips"
    ],
    "missing_information": [
        "photo 1 shows only the front; interior, lining, bottom, side seams, closures, and any maker labels are not shown.",
        "No close-up of the hangtag front and reverse or interior label is provided.",
        "No provenance, dimensions, materials label, or purchase information is provided.",
        "photo 1: interior not shown - no creed patch view possible",
        "photo 1: back, sides, bottom not shown",
        "photo 1: hardware close-up not shown",
        "photo 1: lining and stitching detail not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the visible Chanel branding indicates a different brand or a Chanel-branded lookalike, not Coach; Chanel authenticity cannot be determined from this single front photo.",
        "photo 1: the prominent brand tag is inconsistent with the seller's Unbranded classification, creating a seller-identification discrepancy."
    ],
    "possible_model_reasoning": [
        "photo 1: this is a large novelty textile tote with Chanel-branded decoration, not a recognizable Coach catalog model.",
        "No Coach style number or creed is visible, and the material and branding strongly oppose a vintage Coach identification.",
        "Condition appears approximately Very Good from the visible front: textile surface looks intact with no obvious major tears or stains; interior and bottom are not shown, so condition is capped by incomplete coverage.",
        "photo 1 silhouette is a soft fabric tote with fixed shoulder straps, inconsistent with any vintage Coach glove-tanned catalog style",
        "materials (tweed, pearl-trimmed CC logo, CHANEL paper tag) point to Chanel-style novelty tote, not Coach",
        "no creed patch, no COACH wordmark, no turnlock, no solid brass, no unlined leather observed"
    ],
    "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: white rectangular hangtag attached by a cord; it visibly reads CHANEL and includes a double-C-style emblem. No Coach hardware is visible.",
        "leather_description": "photo 1: outer body and straps appear to be textured tweed or boucle-like textile, not leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two long matching textile shoulder straps attached to the tote body; attachment details are not visible.",
        "stitching_description": "photo 1: visible perimeter stitching appears regular, but construction details are limited by the single front view."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0344,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.94,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is a textile\/tweed tote rather than a vintage glove-tanned leather Coach handbag.",
                    "photo 1: a prominent CHANEL wordmark and interlocking-CC-style floral decoration are visible on the front and hangtag.",
                    "photo 1: no Coach wordmark, horse-and-carriage, creed patch, or Coach-style leather construction is visible.",
                    "photo 1: the novelty tweed, appliqu\u00e9d decoration, and white fashion hangtag are inconsistent with the classic vintage Coach construction described in the reference.",
                    "photo 1: the listing title identifies the bag as a novelty tweed sequined\/plaid tote and seller brand is Unbranded."
                ],
                "missing_information": [
                    "photo 1 shows only the front; interior, lining, bottom, side seams, closures, and any maker labels are not shown.",
                    "No close-up of the hangtag front and reverse or interior label is provided.",
                    "No provenance, dimensions, materials label, or purchase information is provided."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible Chanel branding indicates a different brand or a Chanel-branded lookalike, not Coach; Chanel authenticity cannot be determined from this single front photo.",
                    "photo 1: the prominent brand tag is inconsistent with the seller's Unbranded classification, creating a seller-identification discrepancy."
                ],
                "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": true,
                    "hardware_description": "photo 1: white rectangular hangtag attached by a cord; it visibly reads CHANEL and includes a double-C-style emblem. No Coach hardware is visible.",
                    "leather_description": "photo 1: outer body and straps appear to be textured tweed or boucle-like textile, not leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two long matching textile shoulder straps attached to the tote body; attachment details are not visible.",
                    "stitching_description": "photo 1: visible perimeter stitching appears regular, but construction details are limited by the single front view."
                },
                "possible_model_reasoning": [
                    "photo 1: this is a large novelty textile tote with Chanel-branded decoration, not a recognizable Coach catalog model.",
                    "No Coach style number or creed is visible, and the material and branding strongly oppose a vintage Coach identification.",
                    "Condition appears approximately Very Good from the visible front: textile surface looks intact with no obvious major tears or stains; interior and bottom are not shown, so condition is capped by incomplete coverage."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: interior not shown - no creed patch view possible",
                    "photo 1: back, sides, bottom not shown",
                    "photo 1: hardware close-up not shown",
                    "photo 1: lining and stitching detail not shown"
                ],
                "negative_evidence": [
                    "photo 1: woven tweed \/ boucle fabric body in green-white check, not glove-tanned leather",
                    "photo 1: large interlocking CC applique with pearls, not Coach wordmark or horse-and-carriage",
                    "photo 1: paper tag reading CHANEL hanging from strap, no Coach creed or leather hangtag",
                    "photo 1: fabric shoulder straps in same tweed, no brass turnlock, no solid brass hardware, no dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass hardware visible",
                    "leather_description": "no leather visible - green and white tweed \/ boucle textile body and straps",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "two fixed fabric shoulder straps in matching green-white tweed, sewn to body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a soft fabric tote with fixed shoulder straps, inconsistent with any vintage Coach glove-tanned catalog style",
                    "materials (tweed, pearl-trimmed CC logo, CHANEL paper tag) point to Chanel-style novelty tote, not Coach",
                    "no creed patch, no COACH wordmark, no turnlock, no solid brass, no unlined leather observed"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.02
            }
        }
    ],
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}