Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.865,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.93,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from thick, tightly woven textile or cord rather than Coach glove-tanned leather, coated canvas, or a documented Coach material",
        "photo 1: visible sewn leather label shows a stylized B and appears to read BULLAPANG\/BOLLA... rather than COACH",
        "photo 2: the visible small tricolor fabric tab and leather label are inconsistent with a vintage Coach creed or Coach hangtag",
        "photo 1: closure is a broad leather strap with no Coach turnlock, horse-and-carriage, or recognizable Coach wordmark",
        "photo 3: reverse shows woven textile construction and a simple leather shoulder strap, not a catalogued vintage Coach silhouette",
        "photo 1: body is chunky crochet \/ macrame textile, not glove-tanned leather",
        "photo 1: visible brand tag reads B with BULLERIAS, not COACH",
        "photo 1,2,3: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 1,3: no brass turnlock, no solid-brass Coach hardware",
        "photo 3: back view shows all-crochet construction with no leather body"
    ],
    "missing_information": [
        "photo 1-3: interior, lining, zipper or closure details are not shown",
        "photo 1-3: exact readable text on the sewn brand label is unclear",
        "photo 1-3: bottom, strap attachment details, and any interior labels are not fully documented",
        "interior view not shown, but not needed for Coach determination"
    ],
    "authenticity_concerns": [
        "photo 1: materials and visible branding point to a non-Coach textile artisan bag rather than a replica or genuine Coach product"
    ],
    "possible_model_reasoning": [
        "photo 1-3: no Coach model is a reasonable match; the woven textile body, leather strap, colorful woven accent, and visible B-branded label are characteristic of an artisan or independent brand bag",
        "photo 1-3: the Costa Rica location in the seller title is seller-provided and does not establish Coach manufacture",
        "photo 1-3: condition appears Very Good based on intact woven body and strap, with some visible creasing and surface marks on the leather; interior condition is unknown",
        "No Coach model fits: crochet textile body with leather strap and B BULLERIAS tag is inconsistent with any Coach catalog style",
        "Costa Rica in title refers to Bulerias handmade origin, not vintage Coach Costa Rica glove-tanned production",
        "Condition: Like New \/ Excellent based on clean crochet and intact strap in photos 1-3, but not gradable as Coach"
    ],
    "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 1-3: silver-tone ring and clip hardware attach the broad brown leather strap; no turnlock or Coach engraving is visible",
        "leather_description": "photo 1-3: broad brown leather shoulder strap and brown leather decorative closure\/label components are visible; the main bag body is tightly woven cream textile or cord",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: wide, long, apparently adjustable brown leather crossbody strap attached at side rings with clip hardware",
        "stitching_description": "photo 1-3: woven construction and braided lower trim are visible; conventional leather-bag stitching is not assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "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": 0.93,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from thick, tightly woven textile or cord rather than Coach glove-tanned leather, coated canvas, or a documented Coach material",
                    "photo 1: visible sewn leather label shows a stylized B and appears to read BULLAPANG\/BOLLA... rather than COACH",
                    "photo 2: the visible small tricolor fabric tab and leather label are inconsistent with a vintage Coach creed or Coach hangtag",
                    "photo 1: closure is a broad leather strap with no Coach turnlock, horse-and-carriage, or recognizable Coach wordmark",
                    "photo 3: reverse shows woven textile construction and a simple leather shoulder strap, not a catalogued vintage Coach silhouette"
                ],
                "missing_information": [
                    "photo 1-3: interior, lining, zipper or closure details are not shown",
                    "photo 1-3: exact readable text on the sewn brand label is unclear",
                    "photo 1-3: bottom, strap attachment details, and any interior labels are not fully documented"
                ],
                "authenticity_concerns": [
                    "photo 1: materials and visible branding point to a non-Coach textile artisan bag rather than a replica or genuine 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 1-3: silver-tone ring and clip hardware attach the broad brown leather strap; no turnlock or Coach engraving is visible",
                    "leather_description": "photo 1-3: broad brown leather shoulder strap and brown leather decorative closure\/label components are visible; the main bag body is tightly woven cream textile or cord",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-3: wide, long, apparently adjustable brown leather crossbody strap attached at side rings with clip hardware",
                    "stitching_description": "photo 1-3: woven construction and braided lower trim are visible; conventional leather-bag stitching is not assessable"
                },
                "possible_model_reasoning": [
                    "photo 1-3: no Coach model is a reasonable match; the woven textile body, leather strap, colorful woven accent, and visible B-branded label are characteristic of an artisan or independent brand bag",
                    "photo 1-3: the Costa Rica location in the seller title is seller-provided and does not establish Coach manufacture",
                    "photo 1-3: condition appears Very Good based on intact woven body and strap, with some visible creasing and surface marks on the leather; interior condition is unknown"
                ],
                "confidence": 0.94,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior view not shown, but not needed for Coach determination"
                ],
                "negative_evidence": [
                    "photo 1: body is chunky crochet \/ macrame textile, not glove-tanned leather",
                    "photo 1: visible brand tag reads B with BULLERIAS, not COACH",
                    "photo 1,2,3: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 1,3: no brass turnlock, no solid-brass Coach hardware",
                    "photo 3: back view shows all-crochet construction with no leather body"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal rings \/ clips attaching strap to crochet body; no turnlock, no brass Coach hardware",
                    "leather_description": "tan-brown flat leather crossbody strap and front vertical trim tab; not glove-tanned cowhide body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no leather stitching visible; body is crochet-knotted textile",
                    "strap_construction": "wide flat unfinished leather crossbody strap on metal rings, photo 1 and 3",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: crochet textile body with leather strap and B BULLERIAS tag is inconsistent with any Coach catalog style",
                    "Costa Rica in title refers to Bulerias handmade origin, not vintage Coach Costa Rica glove-tanned production",
                    "Condition: Like New \/ Excellent based on clean crochet and intact strap in photos 1-3, but not gradable as Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "estimated_cost_usd": 0.010378
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            "model_name": "meta:muse-spark-1.3-contributor",
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}