Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.01,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.885,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.96,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is a novelty textile tote decorated with a bra-cup front, not a recognizable Coach silhouette.",
        "photo 1: visible materials appear to be fabric and patterned textile, not Coach glove-tanned leather or coated Coach canvas with leather trim.",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
        "photo 2: interior is fabric-lined and shows no visible creed patch or Coach label.",
        "photo 3: back construction is textile with decorative bra-style banding and small fabric adjusters, unlike standard vintage Coach construction.",
        "photo 1: the visible dark hardware appears to be a simple handle\/support or display element rather than Coach-era solid-brass handbag hardware.",
        "photo 1: tote body is blue woven fabric with sewn-on bra cups, not glove-tanned leather",
        "photo 1, photo 3: no solid brass hardware, no turnlock, no hangtag, no COACH wordmark",
        "photo 2: interior is brown printed fabric lining, not unlined suede or Coach lining",
        "photo 3: back shows bra band and straps repurposed as trim, construction never used by Coach"
    ],
    "missing_information": [
        "photo 1-3: no close-up of any interior label or maker tag is provided.",
        "photo 1-3: zipper, closure, bottom, and strap attachment details are not shown closely.",
        "seller-stated dimensions and actual weight are not provided."
    ],
    "authenticity_concerns": [
        "photo 1: novelty lingerie-themed textile construction is inconsistent with the vintage Coach leather handbag lines.",
        "photo 1: absence of any visible Coach identifier, combined with non-leather construction, strongly indicates an unbranded novelty bag rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "photo 1: the bra-cup decoration, textile body, and novelty tote shape fit the seller's description of a handmade bra purse, not a Coach catalog model.",
        "photo 2: the fabric-lined interior and lack of a creed provide no support for a vintage Coach identification.",
        "Condition: appears Good to Very Good from the provided studio photos, with no major damage visible; wear, odor, and bottom condition cannot be fully assessed.",
        "photo 1-3: handmade novelty bra-purse tote silhouette matches no Coach catalog style in \u00a74",
        "photo 1-3: fabric materials, fabric lining, and lingerie hardware are inconsistent with all Coach eras",
        "Condition: Good; appears intact and clean in photos but handmade craft item with no collector market"
    ],
    "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 and photo 3: small fabric strap adjusters are visible; no Coach-marked or vintage solid-brass handbag hardware is visible.",
        "leather_description": "photo 1-3: no leather is visibly used; the bag appears constructed from blue and brown textiles.",
        "lining_description": "photo 2: brown fabric lining and patterned textile interior are visible; no label or creed patch is visible.",
        "strap_construction": "photo 1 and photo 3: two long fabric shoulder straps with stitched decorative trim and small adjusters.",
        "stitching_description": "photo 1-3: visible machine-style stitching around textile panels and straps; no distinctive Coach leather construction is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is a novelty textile tote decorated with a bra-cup front, not a recognizable Coach silhouette.",
                    "photo 1: visible materials appear to be fabric and patterned textile, not Coach glove-tanned leather or coated Coach canvas with leather trim.",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
                    "photo 2: interior is fabric-lined and shows no visible creed patch or Coach label.",
                    "photo 3: back construction is textile with decorative bra-style banding and small fabric adjusters, unlike standard vintage Coach construction.",
                    "photo 1: the visible dark hardware appears to be a simple handle\/support or display element rather than Coach-era solid-brass handbag hardware."
                ],
                "missing_information": [
                    "photo 1-3: no close-up of any interior label or maker tag is provided.",
                    "photo 1-3: zipper, closure, bottom, and strap attachment details are not shown closely.",
                    "seller-stated dimensions and actual weight are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: novelty lingerie-themed textile construction is inconsistent with the vintage Coach leather handbag lines.",
                    "photo 1: absence of any visible Coach identifier, combined with non-leather construction, strongly indicates an unbranded novelty 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": "photo 1 and photo 3: small fabric strap adjusters are visible; no Coach-marked or vintage solid-brass handbag hardware is visible.",
                    "leather_description": "photo 1-3: no leather is visibly used; the bag appears constructed from blue and brown textiles.",
                    "lining_description": "photo 2: brown fabric lining and patterned textile interior are visible; no label or creed patch is visible.",
                    "strap_construction": "photo 1 and photo 3: two long fabric shoulder straps with stitched decorative trim and small adjusters.",
                    "stitching_description": "photo 1-3: visible machine-style stitching around textile panels and straps; no distinctive Coach leather construction is visible."
                },
                "possible_model_reasoning": [
                    "photo 1: the bra-cup decoration, textile body, and novelty tote shape fit the seller's description of a handmade bra purse, not a Coach catalog model.",
                    "photo 2: the fabric-lined interior and lack of a creed provide no support for a vintage Coach identification.",
                    "Condition: appears Good to Very Good from the provided studio photos, with no major damage visible; wear, odor, and bottom condition cannot be fully assessed."
                ],
                "confidence": 0.94,
                "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": 0.98,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: tote body is blue woven fabric with sewn-on bra cups, not glove-tanned leather",
                    "photo 1, photo 3: no solid brass hardware, no turnlock, no hangtag, no COACH wordmark",
                    "photo 2: interior is brown printed fabric lining, not unlined suede or Coach lining",
                    "photo 3: back shows bra band and straps repurposed as trim, construction never used by Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no handbag hardware visible; only lingerie bra hooks and sliders in tan plastic\/metal on photo 3",
                    "leather_description": "no leather visible; blue woven textile body with brown patterned bra-cup textile applique",
                    "lining_description": "photo 2: brown solid and brown patterned woven fabric lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible casual home-sewn straight stitching on fabric straps and top edge",
                    "strap_construction": "photo 1, photo 3: wide blue fabric shoulder straps with tan bra straps sewn alongside",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-3: handmade novelty bra-purse tote silhouette matches no Coach catalog style in \u00a74",
                    "photo 1-3: fabric materials, fabric lining, and lingerie hardware are inconsistent with all Coach eras",
                    "Condition: Good; appears intact and clean in photos but handmade craft item with no collector market"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.05
            }
        }
    ],
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            "estimated_cost_usd": 0.010284
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            "model_name": "meta:muse-spark-1.3-contributor",
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}