Vintage Coach Hunter

{
    "is_handbag_probability": 0.59,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.93,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag\/backpack convertible with shoulder straps, top handle, side attachment points, and a long detachable-looking strap."
    ],
    "negative_evidence": [
        "photo 1: Seller title explicitly describes the material as PU leather, which is inconsistent with vintage Coach glove-tanned leather.",
        "photo 1: The front has a non-Coach kangaroo-like logo and wordmark rather than a Coach wordmark or horse-and-carriage.",
        "photo 3: Close-up branding reads MAIODAISHU\/MQDS-style branding, not COACH.",
        "photo 2: Product-information images show a modern backpack design with synthetic-looking pebbled material, silver-tone hardware, multiple zippers, and decorative heart charm.",
        "photo 4: The interior is shown as a modern brown fabric lining with contemporary product styling; no Coach creed is visible.",
        "photo 1: The product images appear to be polished catalog renders rather than documentation of a vintage secondhand bag.",
        "photo 1,2,4: convertible backpack silhouette with top handle and backpack straps, not a vintage Coach silhouette",
        "photo 3 panel 4: signature metal logo is kangaroo + MAIQIDAISHU, not COACH wordmark or horse-and-carriage",
        "photo 3 panel 5: zipper charm marked MQDS with kangaroo, not Coach",
        "title states PU leather; photo texture is pebbled faux leather, Coach vintage is glove-tanned cowhide",
        "photo 2,3: gunmetal \/ dark nickel plated hardware with detachable side hooks, not solid brass vintage hardware",
        "photo 2 bottom-right: brown synthetic fabric lining, not unlined suede",
        "photo 2,4: multiple colors new product-line renders indicating new mass-produced fast-fashion bag"
    ],
    "missing_information": [
        "A seller photograph of the actual bag, rather than catalog\/product renders.",
        "Straight-on close-up of the interior back wall and all pockets for any creed or fabric label.",
        "Close-ups of zipper pulls, hardware, underside, seams, and any manufacturing tag.",
        "Photographs of the actual bag's bottom, strap ends, and condition.",
        "No creed patch or Coach identifier visible in any photo; no further Coach-specific photos warranted given fully branded non-Coach construction"
    ],
    "authenticity_concerns": [
        "The visible non-Coach branding and PU construction are inconsistent with a vintage Coach bag.",
        "The modern multi-zip backpack silhouette, silver-tone hardware, synthetic-looking material, decorative heart charm, and prominent kangaroo-like logo indicate a generic modern bag or another brand rather than Coach.",
        "No Coach creed, serial\/style number, or Coach wordmark is visible in the supplied images."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: this is a modern convertible backpack with decorative charm and non-Coach branding, not a classic Coach silhouette.",
        "The seller's PU-material description and visible modern construction place it in the modern non-Coach category.",
        "Condition cannot be reliably graded because the supplied images are product renders rather than photographs of the actual used item.",
        "Not a Coach model: branded MAIQIDAISHU \/ MQDS kangaroo-logo convertible backpack in PU leather with modern hardware and fabric lining is inconsistent with all Coach eras",
        "No creed, no COACH wordmark, no hangtag, no turnlock, no brass or glove-tanned leather observed",
        "Condition: New product as shown in catalog renders; no vintage wear to grade"
    ],
    "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 2: Silver-tone clips, rings, buckles, and multiple zipper pulls are visible. photo 3: A small rectangular branded charm\/tag is visible, but it does not read COACH.",
        "leather_description": "photo 1: Black pebbled synthetic-looking material; seller states PU leather. Genuine leather cannot be established from these product images.",
        "lining_description": "photo 2: Brown fabric lining is visible in the open-bag product image.",
        "strap_construction": "photo 1: Two backpack straps, a top grab handle, side attachment points, and a long convertible shoulder strap are visible.",
        "stitching_description": "photo 1: Even machine stitching and finished synthetic-material edges are visible in the catalog image; detailed stress-point stitching is not independently documented."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0219,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag\/backpack convertible with shoulder straps, top handle, side attachment points, and a long detachable-looking strap."
                ],
                "negative_evidence": [
                    "photo 1: Seller title explicitly describes the material as PU leather, which is inconsistent with vintage Coach glove-tanned leather.",
                    "photo 1: The front has a non-Coach kangaroo-like logo and wordmark rather than a Coach wordmark or horse-and-carriage.",
                    "photo 3: Close-up branding reads MAIODAISHU\/MQDS-style branding, not COACH.",
                    "photo 2: Product-information images show a modern backpack design with synthetic-looking pebbled material, silver-tone hardware, multiple zippers, and decorative heart charm.",
                    "photo 4: The interior is shown as a modern brown fabric lining with contemporary product styling; no Coach creed is visible.",
                    "photo 1: The product images appear to be polished catalog renders rather than documentation of a vintage secondhand bag."
                ],
                "missing_information": [
                    "A seller photograph of the actual bag, rather than catalog\/product renders.",
                    "Straight-on close-up of the interior back wall and all pockets for any creed or fabric label.",
                    "Close-ups of zipper pulls, hardware, underside, seams, and any manufacturing tag.",
                    "Photographs of the actual bag's bottom, strap ends, and condition."
                ],
                "authenticity_concerns": [
                    "The visible non-Coach branding and PU construction are inconsistent with a vintage Coach bag.",
                    "The modern multi-zip backpack silhouette, silver-tone hardware, synthetic-looking material, decorative heart charm, and prominent kangaroo-like logo indicate a generic modern bag or another brand rather than Coach.",
                    "No Coach creed, serial\/style number, or Coach wordmark is visible in the supplied images."
                ],
                "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": true,
                    "hardware_description": "photo 2: Silver-tone clips, rings, buckles, and multiple zipper pulls are visible. photo 3: A small rectangular branded charm\/tag is visible, but it does not read COACH.",
                    "leather_description": "photo 1: Black pebbled synthetic-looking material; seller states PU leather. Genuine leather cannot be established from these product images.",
                    "lining_description": "photo 2: Brown fabric lining is visible in the open-bag product image.",
                    "strap_construction": "photo 1: Two backpack straps, a top grab handle, side attachment points, and a long convertible shoulder strap are visible.",
                    "stitching_description": "photo 1: Even machine stitching and finished synthetic-material edges are visible in the catalog image; detailed stress-point stitching is not independently documented."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: this is a modern convertible backpack with decorative charm and non-Coach branding, not a classic Coach silhouette.",
                    "The seller's PU-material description and visible modern construction place it in the modern non-Coach category.",
                    "Condition cannot be reliably graded because the supplied images are product renders rather than photographs of the actual used item."
                ],
                "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": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.2,
                "missing_information": [
                    "No creed patch or Coach identifier visible in any photo; no further Coach-specific photos warranted given fully branded non-Coach construction"
                ],
                "negative_evidence": [
                    "photo 1,2,4: convertible backpack silhouette with top handle and backpack straps, not a vintage Coach silhouette",
                    "photo 3 panel 4: signature metal logo is kangaroo + MAIQIDAISHU, not COACH wordmark or horse-and-carriage",
                    "photo 3 panel 5: zipper charm marked MQDS with kangaroo, not Coach",
                    "title states PU leather; photo texture is pebbled faux leather, Coach vintage is glove-tanned cowhide",
                    "photo 2,3: gunmetal \/ dark nickel plated hardware with detachable side hooks, not solid brass vintage hardware",
                    "photo 2 bottom-right: brown synthetic fabric lining, not unlined suede",
                    "photo 2,4: multiple colors new product-line renders indicating new mass-produced fast-fashion bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal \/ dark nickel-tone zippers, lobster clasps, D-rings and side hooks; modern plated finish, not solid brass",
                    "leather_description": "black pebbled-grain PU faux leather as stated in title; uniform synthetic grain, no glove-tanned patina",
                    "lining_description": "brown \/ dark fabric lining visible in photo 2 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching around flap and panels, consistent with new synthetic manufacture",
                    "strap_construction": "dual backpack straps with buckle adjustment plus detachable single shoulder strap on metal hooks, top grab handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach model: branded MAIQIDAISHU \/ MQDS kangaroo-logo convertible backpack in PU leather with modern hardware and fabric lining is inconsistent with all Coach eras",
                    "No creed, no COACH wordmark, no hangtag, no turnlock, no brass or glove-tanned leather observed",
                    "Condition: New product as shown in catalog renders; no vintage wear to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
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}