Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.01,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.945,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from brightly patterned woven textile rather than Coach's characteristic leather, suede, or identifiable signature canvas.",
        "photo 1: front pocket visibly reads \u201cBAHAMAS,\u201d with no COACH wordmark, carriage, or other Coach branding.",
        "photo 2: textile weave and geometric decorative bands are visible; no leather creed patch is present in the shown area.",
        "photo 4: closure appears to be a small wooden or wood-tone button rather than a Coach turnlock.",
        "photo 5: back view shows ordinary textile construction and central seam, with no Coach identifier.",
        "photo 1: no leather hangtag or Coach-specific hardware is visible.",
        "photo 1: entire bag is woven striped fabric, not glove-tanned leather - Coach vintage population is leather",
        "photo 1,4,5: no solid brass hardware, no turnlock, no brass buckles or dogleash clips",
        "photo 1,3,4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,3: front pocket flap marked BAHAMAS in white print with wooden button - souvenir construction, never Coach",
        "photo 5: back panel center seam and woven acrylic\/cotton-type fabric with no leather trim"
    ],
    "missing_information": [
        "photo 1: interior is not shown; request a fully opened interior and any sewn-in brand or care labels.",
        "photo 1: bottom, side seams, and strap attachment details are only partly shown.",
        "photo 1: seller-stated dimensions and material composition are not provided.",
        "interior view not shown, but irrelevant given exterior material excludes Coach",
        "no creed patch to inspect - none expected on this construction"
    ],
    "authenticity_concerns": [
        "photo 1: the textile construction, \u201cBAHAMAS\u201d decoration, and non-Coach closure are inconsistent with the visible construction of vintage Coach handbags.",
        "photo 2: no creed, serial\/style number, or other Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "The silhouette is a soft textile crossbody with a front flap pocket, not a recognizable Coach catalog model.",
        "The woven construction and explicit \u201cBAHAMAS\u201d front decoration are more consistent with a tourist or boho textile bag than a Coach product.",
        "Condition: Good\/Very Good based on visible intact textile and seams, though the interior and bottom are not shown; minor loose thread is visible near the upper opening in photo 5.",
        "No Coach model matches: silhouette is soft fabric hobo\/sling with exterior button pocket and zip top, not a catalog classic shape",
        "Materials rule out Coach: woven fabric body plus wooden button plus no leather and no brass is inconsistent with all vintage Coach leather eras",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag in 5 photos",
        "Condition: appears used but intact; not gradable on Coach scale as non-Coach souvenir bag"
    ],
    "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: small dark zipper pull and a wood-tone button closure are visible; no Coach-marked hardware.",
        "leather_description": "photo 1: no leather is visible; body and strap appear woven textile.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: wide integrated woven textile shoulder strap, appearing sewn to the bag body.",
        "stitching_description": "photos 2, 4, and 5: visible machine stitching is generally straight along textile seams; no Coach-specific construction detail is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from brightly patterned woven textile rather than Coach's characteristic leather, suede, or identifiable signature canvas.",
                    "photo 1: front pocket visibly reads \u201cBAHAMAS,\u201d with no COACH wordmark, carriage, or other Coach branding.",
                    "photo 2: textile weave and geometric decorative bands are visible; no leather creed patch is present in the shown area.",
                    "photo 4: closure appears to be a small wooden or wood-tone button rather than a Coach turnlock.",
                    "photo 5: back view shows ordinary textile construction and central seam, with no Coach identifier.",
                    "photo 1: no leather hangtag or Coach-specific hardware is visible."
                ],
                "missing_information": [
                    "photo 1: interior is not shown; request a fully opened interior and any sewn-in brand or care labels.",
                    "photo 1: bottom, side seams, and strap attachment details are only partly shown.",
                    "photo 1: seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: the textile construction, \u201cBAHAMAS\u201d decoration, and non-Coach closure are inconsistent with the visible construction of vintage Coach handbags.",
                    "photo 2: no creed, serial\/style number, or other Coach identifier is visible."
                ],
                "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: small dark zipper pull and a wood-tone button closure are visible; no Coach-marked hardware.",
                    "leather_description": "photo 1: no leather is visible; body and strap appear woven textile.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: wide integrated woven textile shoulder strap, appearing sewn to the bag body.",
                    "stitching_description": "photos 2, 4, and 5: visible machine stitching is generally straight along textile seams; no Coach-specific construction detail is apparent."
                },
                "possible_model_reasoning": [
                    "The silhouette is a soft textile crossbody with a front flap pocket, not a recognizable Coach catalog model.",
                    "The woven construction and explicit \u201cBAHAMAS\u201d front decoration are more consistent with a tourist or boho textile bag than a Coach product.",
                    "Condition: Good\/Very Good based on visible intact textile and seams, though the interior and bottom are not shown; minor loose thread is visible near the upper opening in photo 5."
                ],
                "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": 0.02,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior view not shown, but irrelevant given exterior material excludes Coach",
                    "no creed patch to inspect - none expected on this construction"
                ],
                "negative_evidence": [
                    "photo 1: entire bag is woven striped fabric, not glove-tanned leather - Coach vintage population is leather",
                    "photo 1,4,5: no solid brass hardware, no turnlock, no brass buckles or dogleash clips",
                    "photo 1,3,4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,3: front pocket flap marked BAHAMAS in white print with wooden button - souvenir construction, never Coach",
                    "photo 5: back panel center seam and woven acrylic\/cotton-type fabric with no leather trim"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware; small black zip top zipper pull visible photo 1,5 and brown wooden\/plastic button on front pocket photo 3,4",
                    "leather_description": "no leather visible; body is hot pink multicolor striped woven fabric with ethnic motifs",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "simple straight machine stitching in dark thread visible at pocket and center back seam photo 2,5",
                    "strap_construction": "wide fabric strap continuous with bag body, no leather, no buckle adjustment, no brass clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches: silhouette is soft fabric hobo\/sling with exterior button pocket and zip top, not a catalog classic shape",
                    "Materials rule out Coach: woven fabric body plus wooden button plus no leather and no brass is inconsistent with all vintage Coach leather eras",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag in 5 photos",
                    "Condition: appears used but intact; not gradable on Coach scale as non-Coach souvenir bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25292,
            "output_tokens": 707,
            "total_tokens": 25999,
            "estimated_cost_usd": 0.011814
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26207,
            "output_tokens": 914,
            "total_tokens": 27121,
            "estimated_cost_usd": 0.005973
        }
    ]
}