Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.82,
    "recommended_max_bid": 10,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small leather shoulder\/crossbody handbag with a long strap.",
        "photo 6: Interior label visibly reads \"GENUINE LEATHER \/ MADE IN CHINA\".",
        "photo 1, photo 2: small black leather handbag, leather material consistent with handbag population"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or recognizable Coach closure.",
        "photo 2: The bag has a generic rounded flap and zipper construction rather than a visible Coach turnlock or catalog-specific feature.",
        "photo 4: Interior appears fabric-lined, which is inconsistent with many classic unlined glove-tanned Coach styles.",
        "photo 5: Zippers and hardware appear dark\/plated rather than the solid brass hardware typical of many vintage Coach classics.",
        "photo 6: The visible generic \"GENUINE LEATHER \/ MADE IN CHINA\" label provides no Coach identification.",
        "Listing text: Seller describes the item as an unbranded generic leather bag; no Coach-specific claim or identifier is provided.",
        "photo 4, photo 5: black woven fabric lining, vintage Coach classics are unlined suede",
        "photo 6: fabric tag GENUINE LEATHER MADE IN CHINA, no leather creed patch, no No. serial, no COACH wordmark",
        "photo 1, photo 2: curved zip-top silhouette with center seam does not match any catalog Coach classic",
        "photo 1-3: no turnlock, no solid brass hardware, no hangtag, no wordmark visible"
    ],
    "missing_information": [
        "photo 1-6: No clear exterior back, bottom, strap-attachment, or hardware close-up showing possible maker marks.",
        "photo 1-6: No Coach creed patch or serial\/style-number photo is provided.",
        "photo 1-6: Zipper-pull branding and all interior compartments are not fully documented.",
        "Seller should provide a straight-on photo of every interior label and the complete bottom and strap hardware.",
        "no Coach creed or identifier to verify - interior already shown with generic tag",
        "photo of bottom and corners for condition grading",
        "photo of strap ends and hardware close-up"
    ],
    "authenticity_concerns": [
        "photo 1-6: No Coach identifier is visible, and the construction is more consistent with a generic made-in-China leather bag than a vintage Coach classic.",
        "photo 6: The made-in-China label and fabric lining do not support a 1970s-1990s Coach attribution.",
        "photo 6: generic fabric content tag reading GENUINE LEATHER MADE IN CHINA instead of leather creed patch"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no Coach identifier or distinctive Coach construction is visible.",
        "photo 1-2: The compact flap-and-zipper silhouette is a generic fashion crossbody form and does not establish a Coach model.",
        "Condition: Good to Very Good; visible creasing, scuffing and surface wear on the leather, with interior marks visible in photos 4-6. Bottom, corners and strap wear are incompletely documented.",
        "No Coach model fits: silhouette, fabric lining, generic MADE IN CHINA tag and lack of creed\/turnlock\/brass inconsistent with all vintage Coach catalog styles",
        "Condition: Very Good to Excellent appearance in photos; leather intact with light creasing (photo 1, photo 2), lining looks clean (photo 4, photo 5), bottom corners not shown so grade capped"
    ],
    "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 pull visible; other hardware is limited and appears dark or plated. No Coach engraving visible.",
        "leather_description": "photo 1-2: Black leather-like or genuine leather exterior with a smooth, somewhat glossy finish, visible creasing and surface wear.",
        "lining_description": "photo 4-6: Black fabric lining is visible; it shows light marks and a generic gold-colored \"GENUINE LEATHER \/ MADE IN CHINA\" label.",
        "strap_construction": "photo 1-3: Long, narrow, non-detachable-looking shoulder strap attached at the upper sides; seller states a 22-inch drop.",
        "stitching_description": "photo 1-2: Visible center and perimeter stitching is generally straight, with some unevenness and exposed seam construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small leather shoulder\/crossbody handbag with a long strap.",
                    "photo 6: Interior label visibly reads \"GENUINE LEATHER \/ MADE IN CHINA\"."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or recognizable Coach closure.",
                    "photo 2: The bag has a generic rounded flap and zipper construction rather than a visible Coach turnlock or catalog-specific feature.",
                    "photo 4: Interior appears fabric-lined, which is inconsistent with many classic unlined glove-tanned Coach styles.",
                    "photo 5: Zippers and hardware appear dark\/plated rather than the solid brass hardware typical of many vintage Coach classics.",
                    "photo 6: The visible generic \"GENUINE LEATHER \/ MADE IN CHINA\" label provides no Coach identification.",
                    "Listing text: Seller describes the item as an unbranded generic leather bag; no Coach-specific claim or identifier is provided."
                ],
                "missing_information": [
                    "photo 1-6: No clear exterior back, bottom, strap-attachment, or hardware close-up showing possible maker marks.",
                    "photo 1-6: No Coach creed patch or serial\/style-number photo is provided.",
                    "photo 1-6: Zipper-pull branding and all interior compartments are not fully documented.",
                    "Seller should provide a straight-on photo of every interior label and the complete bottom and strap hardware."
                ],
                "authenticity_concerns": [
                    "photo 1-6: No Coach identifier is visible, and the construction is more consistent with a generic made-in-China leather bag than a vintage Coach classic.",
                    "photo 6: The made-in-China label and fabric lining do not support a 1970s-1990s Coach 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 5: Small gold-tone zipper pull visible; other hardware is limited and appears dark or plated. No Coach engraving visible.",
                    "leather_description": "photo 1-2: Black leather-like or genuine leather exterior with a smooth, somewhat glossy finish, visible creasing and surface wear.",
                    "lining_description": "photo 4-6: Black fabric lining is visible; it shows light marks and a generic gold-colored \"GENUINE LEATHER \/ MADE IN CHINA\" label.",
                    "strap_construction": "photo 1-3: Long, narrow, non-detachable-looking shoulder strap attached at the upper sides; seller states a 22-inch drop.",
                    "stitching_description": "photo 1-2: Visible center and perimeter stitching is generally straight, with some unevenness and exposed seam construction."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no Coach identifier or distinctive Coach construction is visible.",
                    "photo 1-2: The compact flap-and-zipper silhouette is a generic fashion crossbody form and does not establish a Coach model.",
                    "Condition: Good to Very Good; visible creasing, scuffing and surface wear on the leather, with interior marks visible in photos 4-6. Bottom, corners and strap wear are incompletely documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 6: generic fabric content tag reading GENUINE LEATHER MADE IN CHINA instead of leather creed patch"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "no Coach creed or identifier to verify - interior already shown with generic tag",
                    "photo of bottom and corners for condition grading",
                    "photo of strap ends and hardware close-up"
                ],
                "negative_evidence": [
                    "photo 4, photo 5: black woven fabric lining, vintage Coach classics are unlined suede",
                    "photo 6: fabric tag GENUINE LEATHER MADE IN CHINA, no leather creed patch, no No. serial, no COACH wordmark",
                    "photo 1, photo 2: curved zip-top silhouette with center seam does not match any catalog Coach classic",
                    "photo 1-3: no turnlock, no solid brass hardware, no hangtag, no wordmark visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone metal zipper teeth around curved top opening; no brass turnlock, no branded pull visible",
                    "leather_description": "black smooth leather with some grain\/creasing, appears thin soft leather, not thick glove-tanned",
                    "lining_description": "black woven fabric lining with interior zip pocket visible in photo 4 and photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "center vertical seam on front body, straight but not clearly Coach-matched thread detail",
                    "strap_construction": "thin fixed-length black leather crossbody strap threaded through eyelets, seller states 22 inch drop",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: small black leather handbag, leather material consistent with handbag population"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, fabric lining, generic MADE IN CHINA tag and lack of creed\/turnlock\/brass inconsistent with all vintage Coach catalog styles",
                    "Condition: Very Good to Excellent appearance in photos; leather intact with light creasing (photo 1, photo 2), lining looks clean (photo 4, photo 5), bottom corners not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17728,
            "output_tokens": 856,
            "total_tokens": 18584,
            "estimated_cost_usd": 0.009146
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18062,
            "output_tokens": 1148,
            "total_tokens": 19210,
            "estimated_cost_usd": 0.004531
        }
    ]
}