Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.93,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing title identifies the material as PU leather, which is inconsistent with the glove-tanned leather typical of vintage Coach classics.",
        "photo 1: Highly sculptural knotted crescent design does not match a recognizable vintage Coach silhouette.",
        "photos 1-2: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photos 1-2: Glossy molded\/ribbed synthetic-looking construction is unlike the usual solid-leather vintage Coach construction.",
        "photo 1: Seller identifies the item as unbranded and brand new; this is consistent with a modern generic fashion handbag.",
        "photo 1, photo 2: tubular knotted crescent noodle construction with no turnlock, no creed patch, no hangtag, no wordmark - silhouette never produced by Coach",
        "photo 1, photo 2: smooth high-sheen synthetic-looking material consistent with seller-stated PU leather, not glove-tanned cowhide",
        "seller title states PU Leather and Brand New fast-fashion noodle bag, inconsistent with vintage Coach leather and hardware"
    ],
    "missing_information": [
        "photo 1: Interior, lining, closure, and any sewn-in brand or material label are not shown.",
        "photo 1: No close-up of hardware or strap attachment points is provided.",
        "photo 1: Bottom, side, and interior construction views are absent.",
        "photo 1, photo 2: interior view not shown so creed and lining cannot be checked",
        "photo 1, photo 2: no close-up of hardware, zipper, hangtag or stamps",
        "photo 1, photo 2: bottom, back and side views not shown"
    ],
    "authenticity_concerns": [
        "photos 1-2: The visible design and apparent PU construction indicate a generic modern lookalike rather than Coach; there is no Coach identifier to support attribution."
    ],
    "possible_model_reasoning": [
        "photo 1: Crescent handbag form is evident, but its knotted ribbed construction is not a close match for the listed vintage Coach catalog models.",
        "photos 1-2: With no Coach identifiers and apparent PU material, the item is best treated as a modern generic handbag rather than a Coach model.",
        "Condition: New or like new based on the product\/lifestyle presentation, though interior and functional condition are not shown.",
        "No Coach model fits: knotted tubular noodle crescent design, PU material, no turnlock, no creed, no hangtag and modern new construction are inconsistent with all vintage and modern Coach catalog styles",
        "Condition: New per seller title Brand New; photo 1, photo 2 show clean uniform surface with no wear visible"
    ],
    "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: No turnlock or other clearly visible Coach-style hardware; a thin adjustable strap and dark attachment hardware are visible.",
        "leather_description": "photo 1: Glossy black, heavily ribbed and molded-looking material; seller states PU leather, not verified independently from the image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Thin black adjustable shoulder strap is visible behind the bag; detailed construction is not shown.",
        "stitching_description": "photo 1: No conventional exposed stitching is clearly visible; the exterior appears formed from repeated wrapped\/ribbed elements."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "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": 0.88,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Listing title identifies the material as PU leather, which is inconsistent with the glove-tanned leather typical of vintage Coach classics.",
                    "photo 1: Highly sculptural knotted crescent design does not match a recognizable vintage Coach silhouette.",
                    "photos 1-2: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photos 1-2: Glossy molded\/ribbed synthetic-looking construction is unlike the usual solid-leather vintage Coach construction.",
                    "photo 1: Seller identifies the item as unbranded and brand new; this is consistent with a modern generic fashion handbag."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, closure, and any sewn-in brand or material label are not shown.",
                    "photo 1: No close-up of hardware or strap attachment points is provided.",
                    "photo 1: Bottom, side, and interior construction views are absent."
                ],
                "authenticity_concerns": [
                    "photos 1-2: The visible design and apparent PU construction indicate a generic modern lookalike rather than Coach; there is no Coach identifier to support attribution."
                ],
                "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: No turnlock or other clearly visible Coach-style hardware; a thin adjustable strap and dark attachment hardware are visible.",
                    "leather_description": "photo 1: Glossy black, heavily ribbed and molded-looking material; seller states PU leather, not verified independently from the image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Thin black adjustable shoulder strap is visible behind the bag; detailed construction is not shown.",
                    "stitching_description": "photo 1: No conventional exposed stitching is clearly visible; the exterior appears formed from repeated wrapped\/ribbed elements."
                },
                "possible_model_reasoning": [
                    "photo 1: Crescent handbag form is evident, but its knotted ribbed construction is not a close match for the listed vintage Coach catalog models.",
                    "photos 1-2: With no Coach identifiers and apparent PU material, the item is best treated as a modern generic handbag rather than a Coach model.",
                    "Condition: New or like new based on the product\/lifestyle presentation, though interior and functional condition are not shown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "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": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1, photo 2: interior view not shown so creed and lining cannot be checked",
                    "photo 1, photo 2: no close-up of hardware, zipper, hangtag or stamps",
                    "photo 1, photo 2: bottom, back and side views not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: tubular knotted crescent noodle construction with no turnlock, no creed patch, no hangtag, no wordmark - silhouette never produced by Coach",
                    "photo 1, photo 2: smooth high-sheen synthetic-looking material consistent with seller-stated PU leather, not glove-tanned cowhide",
                    "seller title states PU Leather and Brand New fast-fashion noodle bag, inconsistent with vintage Coach leather and hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass hardware, turnlock, buckles or zipper pulls visible",
                    "leather_description": "photo 1, photo 2: black smooth tubular synthetic-appearing material consistent with PU leather, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 1: thin plain detachable shoulder strap visible behind body; top handles formed by wrapped tubular body with knotted ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: knotted tubular noodle crescent design, PU material, no turnlock, no creed, no hangtag and modern new construction are inconsistent with all vintage and modern Coach catalog styles",
                    "Condition: New per seller title Brand New; photo 1, photo 2 show clean uniform surface with no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 691,
            "total_tokens": 17966,
            "estimated_cost_usd": 0.008568
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}