Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.895,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: exterior appears to be a smooth, glossy synthetic\/PU tote rather than vintage glove-tanned leather.",
        "photo 2: the bag has a small generic printed phrase, not a visible COACH wordmark, carriage, or leather hangtag.",
        "photo 5: interior appears fabric-lined with a printed\/wavy pattern and modern zipper compartments, inconsistent with classic unlined vintage Coach construction.",
        "photo 6: seller-provided material description explicitly says PU.",
        "photo 1: thin, fashion-style shoulder straps and generic tote construction do not match a recognizable vintage Coach model.",
        "photo 2,3,6: seller title states PU material - faux leather excludes vintage Coach",
        "photo 5: brown striped polyester fabric lining, not unlined suede",
        "photo 1-4: modern soft open-top tote silhouette with thin fixed shoulder straps, no turnlock, no brass hardware",
        "photo 2,3: smooth high-sheen synthetic surface with no glove-tanned grain or patina",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 5: no close-up of any interior brand label or sewn care\/material tag.",
        "photo 1: no close-up of zipper pull, hardware, or strap attachment points.",
        "photo 5: interior is partly filled, limiting inspection of all labels and seams.",
        "No bottom, corner, or underside construction close-ups are provided.",
        "creed patch close-up not shown - no stamped leather patch visible in any photo",
        "hardware brand stamps \/ zipper brand not shown",
        "bottom \/ corners \/ interior wall detail not shown"
    ],
    "authenticity_concerns": [
        "photo 5: synthetic-looking exterior combined with a printed fabric lining is inconsistent with the leather and lining construction expected of the vintage Coach classics.",
        "photo 2: the visible generic printed text and absence of any Coach identifier support a non-Coach fashion tote rather than a misidentified Coach bag.",
        "photo 2,3,5: synthetic PU construction and polyester lining inconsistent with vintage Coach glove-tanned standards"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the silhouette is a generic large tote and lacks a Coach creed, wordmark, turnlock, hangtag, or distinctive vintage construction.",
        "photo 5: the interior organization and patterned lining suggest a modern mass-market tote rather than an unlined 1970s\u20131990s Coach classic.",
        "Condition appears Very Good based on the clean exterior and intact visible stitching, though bottom and corner wear are not fully documented.",
        "No Coach model fits: open PU tote with thin sewn-on straps and polyester lining does not match any catalog classic; no creed, hardware or leather cues to decode",
        "Condition: appears New\/unused modern fast-fashion tote in photos 2-3,6; no vintage wear to grade"
    ],
    "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 5: small gold-tone zipper hardware is visible; no Coach-engraved hardware or vintage brass turnlock is visible.",
        "leather_description": "photo 1: smooth, glossy brown material with a uniform synthetic\/PU appearance; natural leather grain is not visible.",
        "lining_description": "photo 5: fabric lining with a repeating wavy pattern and multiple interior compartments is visible.",
        "strap_construction": "photos 1-4: two thin, fixed shoulder straps attached through sewn leather-like tabs; no adjustable vintage strap or dogleash clips visible.",
        "stitching_description": "photos 2-3: generally straight, contrasting edge stitching is visible, with modern fashion-tote construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: exterior appears to be a smooth, glossy synthetic\/PU tote rather than vintage glove-tanned leather.",
                    "photo 2: the bag has a small generic printed phrase, not a visible COACH wordmark, carriage, or leather hangtag.",
                    "photo 5: interior appears fabric-lined with a printed\/wavy pattern and modern zipper compartments, inconsistent with classic unlined vintage Coach construction.",
                    "photo 6: seller-provided material description explicitly says PU.",
                    "photo 1: thin, fashion-style shoulder straps and generic tote construction do not match a recognizable vintage Coach model."
                ],
                "missing_information": [
                    "photo 5: no close-up of any interior brand label or sewn care\/material tag.",
                    "photo 1: no close-up of zipper pull, hardware, or strap attachment points.",
                    "photo 5: interior is partly filled, limiting inspection of all labels and seams.",
                    "No bottom, corner, or underside construction close-ups are provided."
                ],
                "authenticity_concerns": [
                    "photo 5: synthetic-looking exterior combined with a printed fabric lining is inconsistent with the leather and lining construction expected of the vintage Coach classics.",
                    "photo 2: the visible generic printed text and absence of any Coach identifier support a non-Coach fashion tote rather than a misidentified Coach bag."
                ],
                "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 5: small gold-tone zipper hardware is visible; no Coach-engraved hardware or vintage brass turnlock is visible.",
                    "leather_description": "photo 1: smooth, glossy brown material with a uniform synthetic\/PU appearance; natural leather grain is not visible.",
                    "lining_description": "photo 5: fabric lining with a repeating wavy pattern and multiple interior compartments is visible.",
                    "strap_construction": "photos 1-4: two thin, fixed shoulder straps attached through sewn leather-like tabs; no adjustable vintage strap or dogleash clips visible.",
                    "stitching_description": "photos 2-3: generally straight, contrasting edge stitching is visible, with modern fashion-tote construction."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the silhouette is a generic large tote and lacks a Coach creed, wordmark, turnlock, hangtag, or distinctive vintage construction.",
                    "photo 5: the interior organization and patterned lining suggest a modern mass-market tote rather than an unlined 1970s\u20131990s Coach classic.",
                    "Condition appears Very Good based on the clean exterior and intact visible stitching, though bottom and corner wear are not fully documented."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2,3,5: synthetic PU construction and polyester lining inconsistent with vintage Coach glove-tanned standards"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch close-up not shown - no stamped leather patch visible in any photo",
                    "hardware brand stamps \/ zipper brand not shown",
                    "bottom \/ corners \/ interior wall detail not shown"
                ],
                "negative_evidence": [
                    "photo 2,3,6: seller title states PU material - faux leather excludes vintage Coach",
                    "photo 5: brown striped polyester fabric lining, not unlined suede",
                    "photo 1-4: modern soft open-top tote silhouette with thin fixed shoulder straps, no turnlock, no brass hardware",
                    "photo 2,3: smooth high-sheen synthetic surface with no glove-tanned grain or patina",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zipper pulls visible in photo 5 interior; no solid brass turnlock, buckles or dogleash clips visible",
                    "leather_description": "smooth dark brown high-sheen PU faux leather, thin and unstructured, not glove-tanned cowhide",
                    "lining_description": "brown striped polyester fabric lining visible in photo 5, with zip divider",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching along top edge and vertical seams, thread matched to body; no detailed stitch close-up",
                    "strap_construction": "two thin fixed shoulder straps sewn to body with small diamond reinforcements, no buckle adjustment or detachable clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: open PU tote with thin sewn-on straps and polyester lining does not match any catalog classic; no creed, hardware or leather cues to decode",
                    "Condition: appears New\/unused modern fast-fashion tote in photos 2-3,6; no vintage wear to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 794,
            "total_tokens": 19509,
            "estimated_cost_usd": 0.009392
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19147,
            "output_tokens": 1131,
            "total_tokens": 20278,
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}