Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.885,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: stock-style product image shows a contemporary structured tote rather than a documented vintage Coach silhouette.",
        "photo 2: exterior appears synthetic and has a shiny patterned interior, inconsistent with classic unlined glove-tanned Coach construction.",
        "photo 3: listing graphic explicitly identifies the material as PU leather and shows modern multi-compartment construction.",
        "photo 4: zipper pull appears to carry a non-Coach wordmark, not COACH; hardware is modern plated gold-tone.",
        "photo 4: bag has a generic front zipper pocket and modern detachable shoulder strap rather than a classic Coach turnlock configuration.",
        "photos 5-6: promotional images show multiple new bags and retail-style staging, not a vintage individual-item listing.",
        "photo 3-4: structured zip-top satchel silhouette with dual top handles does not match vintage Coach catalog styles",
        "photo 2: polyester fabric lining, not unlined suede glove-tanned interior",
        "photo 4: gold-tone modern zipper, buckles and base feet with satin finish, not solid brass vintage hardware",
        "photo 4: non-Coach script logo on front, no COACH wordmark or horse-and-carriage visible",
        "seller states Premium PU leather, polyester blend lining, lightweight, brand new - all exclude vintage Coach glove-tanned leather"
    ],
    "missing_information": [
        "A straight-on interior photograph of the actual bag and any sewn-in brand or fabric labels.",
        "Close-up photographs of all exterior and interior markings, including the small front wordmark.",
        "Photographs of the actual bag rather than only promotional or catalog images.",
        "Bottom, corners, strap attachments, zipper pulls, and hardware close-ups of the actual item.",
        "No creed patch photo provided",
        "No hardware brand stamp close-up",
        "No actual used-item photos - all images are catalog graphics"
    ],
    "authenticity_concerns": [
        "photo 3: PU leather and polyester-blend lining are strong non-Coach indicators for a supposed vintage leather handbag.",
        "photo 4: the visible wordmark appears to be an unrelated brand or generic label, not Coach.",
        "photos 1-6: stock\/catalog presentation and brand-new condition are inconsistent with a secondhand vintage Coach find.",
        "photo 1-6: modern mass-produced PU construction inconsistent with any vintage Coach era",
        "seller states PU leather and polyester blend lining - materials Coach vintage classics never used"
    ],
    "possible_model_reasoning": [
        "The structured satchel shape is a generic modern tote and does not provide a reliable Coach model match.",
        "No creed, serial\/style number, Coach wordmark, horse-and-carriage emblem, or Coach hangtag is visible in the supplied photos.",
        "The seller-described PU material, polyester lining, modern compartment layout, and promotional catalog imagery support a modern non-Coach bag.",
        "Condition appears new, but this is based on promotional imagery and seller text rather than photographs of a uniquely identifiable used item.",
        "No Coach model fits: zip-top structured PU satchel with polyester lining and modern gold hardware is inconsistent with all vintage Coach glove-tanned models",
        "No creed, no COACH wordmark, no turnlock, no hangtag observed in any of 6 photos",
        "Condition: New per seller and catalog images; modern fast-fashion tote, not vintage"
    ],
    "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 4: gold-tone plated rings, zipper hardware, strap clips, and small metal feet are visible; no Coach engraving is legible.",
        "leather_description": "photos 1-6: seller states PU leather; photos show a smooth synthetic-looking black surface rather than visible glove-tanned cowhide.",
        "lining_description": "photo 2: dark shiny patterned fabric lining is visible in the open-bag promotional image; seller states polyester blend.",
        "strap_construction": "photos 3-4: two top handles plus a detachable adjustable shoulder\/crossbody strap with metal clips are shown.",
        "stitching_description": "photos 1-6: perimeter stitching appears generally even in the product images, but close construction details are not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: stock-style product image shows a contemporary structured tote rather than a documented vintage Coach silhouette.",
                    "photo 2: exterior appears synthetic and has a shiny patterned interior, inconsistent with classic unlined glove-tanned Coach construction.",
                    "photo 3: listing graphic explicitly identifies the material as PU leather and shows modern multi-compartment construction.",
                    "photo 4: zipper pull appears to carry a non-Coach wordmark, not COACH; hardware is modern plated gold-tone.",
                    "photo 4: bag has a generic front zipper pocket and modern detachable shoulder strap rather than a classic Coach turnlock configuration.",
                    "photos 5-6: promotional images show multiple new bags and retail-style staging, not a vintage individual-item listing."
                ],
                "missing_information": [
                    "A straight-on interior photograph of the actual bag and any sewn-in brand or fabric labels.",
                    "Close-up photographs of all exterior and interior markings, including the small front wordmark.",
                    "Photographs of the actual bag rather than only promotional or catalog images.",
                    "Bottom, corners, strap attachments, zipper pulls, and hardware close-ups of the actual item."
                ],
                "authenticity_concerns": [
                    "photo 3: PU leather and polyester-blend lining are strong non-Coach indicators for a supposed vintage leather handbag.",
                    "photo 4: the visible wordmark appears to be an unrelated brand or generic label, not Coach.",
                    "photos 1-6: stock\/catalog presentation and brand-new condition are inconsistent with a secondhand vintage Coach find."
                ],
                "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 4: gold-tone plated rings, zipper hardware, strap clips, and small metal feet are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1-6: seller states PU leather; photos show a smooth synthetic-looking black surface rather than visible glove-tanned cowhide.",
                    "lining_description": "photo 2: dark shiny patterned fabric lining is visible in the open-bag promotional image; seller states polyester blend.",
                    "strap_construction": "photos 3-4: two top handles plus a detachable adjustable shoulder\/crossbody strap with metal clips are shown.",
                    "stitching_description": "photos 1-6: perimeter stitching appears generally even in the product images, but close construction details are not available."
                },
                "possible_model_reasoning": [
                    "The structured satchel shape is a generic modern tote and does not provide a reliable Coach model match.",
                    "No creed, serial\/style number, Coach wordmark, horse-and-carriage emblem, or Coach hangtag is visible in the supplied photos.",
                    "The seller-described PU material, polyester lining, modern compartment layout, and promotional catalog imagery support a modern non-Coach bag.",
                    "Condition appears new, but this is based on promotional imagery and seller text rather than photographs of a uniquely identifiable used item."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: modern mass-produced PU construction inconsistent with any vintage Coach era",
                    "seller states PU leather and polyester blend lining - materials Coach vintage classics never used"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch photo provided",
                    "No hardware brand stamp close-up",
                    "No actual used-item photos - all images are catalog graphics"
                ],
                "negative_evidence": [
                    "photo 3-4: structured zip-top satchel silhouette with dual top handles does not match vintage Coach catalog styles",
                    "photo 2: polyester fabric lining, not unlined suede glove-tanned interior",
                    "photo 4: gold-tone modern zipper, buckles and base feet with satin finish, not solid brass vintage hardware",
                    "photo 4: non-Coach script logo on front, no COACH wordmark or horse-and-carriage visible",
                    "seller states Premium PU leather, polyester blend lining, lightweight, brand new - all exclude vintage Coach glove-tanned leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone satin finish modern hardware, zipper pulls, buckles, D-rings and base feet; lightweight plated appearance",
                    "leather_description": "black PU faux leather with uniform grained finish, structured, no patina or natural grain variation",
                    "lining_description": "dark brown polyester fabric lining visible in photo 2 interior views",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "uniform machine stitching, tone-matched, no detail visible to indicate handcraft",
                    "strap_construction": "dual rolled top handles with buckle mounts plus detachable adjustable shoulder strap with gold-tone clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top structured PU satchel with polyester lining and modern gold hardware is inconsistent with all vintage Coach glove-tanned models",
                    "No creed, no COACH wordmark, no turnlock, no hangtag observed in any of 6 photos",
                    "Condition: New per seller and catalog images; modern fast-fashion tote, not vintage"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}