Vintage Coach Hunter

{
    "is_handbag_probability": 0.565,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.875,
    "seller_misidentification_probability": 0.5,
    "confidence": 0.965,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing image shows a backpack\/convertible shoulder bag made with visibly textured synthetic-looking material, consistent with the seller's stated PU leather.",
        "photo 2: Product graphic shows a non-Coach animal-shaped metal logo and an unfamiliar wordmark, not COACH or a Coach horse-and-carriage mark.",
        "photo 3: Decorative heart, key, and charm assembly is not a Coach creed or Coach identifier.",
        "photo 4: The rear and interior views show modern backpack construction, black plated hardware, and synthetic-looking lining, inconsistent with classic vintage Coach construction.",
        "photo 5: Seller title explicitly describes the item as PU leather and lists the seller brand as Unbranded.",
        "photo 1: blue pebbled PU faux-leather backpack silhouette, not a Coach catalog silhouette",
        "photo 1, photo 2, photo 3: kangaroo logo with MAOXIAOSHU \/ MAIQIDAISHU \/ XINZHIDAISHU branding, not COACH",
        "photo 3 detail 4: signature metal logo is kangaroo + MAIQIDAISHU",
        "photo 3 detail 5: gunmetal plated double zippers with MQDS kangaroo tags, not solid brass Talon\/YKK vintage",
        "photo 4: brown polyester fabric lining, not unlined suede glove-tanned",
        "photo 4: backpack straps with buckles plus detachable woven shoulder strap, heart\/key charm - modern fast-fashion construction",
        "listing title states PU Leather - faux leather per triage rule coach_probability <=0.05"
    ],
    "missing_information": [
        "photo 1-5: No actual seller-taken close-up of a Coach creed, serial\/style-number tag, or country-of-manufacture line is provided.",
        "photo 1-5: No independent close-up confirming the material, hardware markings, or interior brand label beyond the supplied product graphics.",
        "No creed patch shown - not expected for this type",
        "No Coach identifiers visible to verify - none expected",
        "Interior back wall \/ pocket close-up for creed not provided"
    ],
    "authenticity_concerns": [
        "photo 1-5: PU\/synthetic construction is incompatible with the vintage glove-tanned leather Coach population.",
        "photo 2-5: The visible branding appears to be an unfamiliar non-Coach animal logo and wordmark rather than Coach branding.",
        "photo 1-5: Product-render\/catalog-style images and an unbranded listing provide no verifiable Coach identifiers."
    ],
    "possible_model_reasoning": [
        "photo 1-5: The silhouette is a modern convertible backpack, not a recognizable listed vintage Coach model.",
        "photo 2-5: The modern PU construction, decorative heart\/key charm, unfamiliar animal logo, and backpack hardware point to a generic contemporary bag rather than Coach.",
        "photo 4: The shown dimensions are approximately 11.8 by 9.8 by 3.9 inches according to the product graphic; this supports a small modern backpack classification only.",
        "photo 1-5: Condition cannot be reliably graded because the images appear to be product\/catalog graphics rather than photographs of the listed item; visible presentation is approximately new, but actual wear is unknown.",
        "Not a Coach model: backpack silhouette with kangaroo branding, PU material, plated hardware and polyester lining are inconsistent with any vintage Coach line",
        "No creed, no COACH wordmark, no horse-and-carriage, no turnlock, no hangtag visible in any photo",
        "Seller correctly listed as Unbranded; title explicitly PU Leather",
        "Condition: New \/ stock images; 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 1-5: Black\/dark plated zipper hardware, clips, rings, and multiple decorative charms including a red heart and keys; no Coach engraving is visible.",
        "leather_description": "photo 1-5: Textured blue synthetic-looking material; seller states PU leather.",
        "lining_description": "photo 4: Brown\/tan fabric-like interior lining is visible; exact fiber and label are not visible.",
        "strap_construction": "photo 1 and photo 4: Two adjustable backpack straps plus a detachable-looking long shoulder strap attached with side clips.",
        "stitching_description": "photo 1-5: Visible perimeter stitching appears regular in the product graphics, but construction quality cannot be verified from catalog-style images."
    },
    "ensemble_agreement": "LOW",
    "ensemble_variance": 0.0576,
    "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": 0.9,
                "seller_misidentification_probability": 0.98,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Listing image shows a backpack\/convertible shoulder bag made with visibly textured synthetic-looking material, consistent with the seller's stated PU leather.",
                    "photo 2: Product graphic shows a non-Coach animal-shaped metal logo and an unfamiliar wordmark, not COACH or a Coach horse-and-carriage mark.",
                    "photo 3: Decorative heart, key, and charm assembly is not a Coach creed or Coach identifier.",
                    "photo 4: The rear and interior views show modern backpack construction, black plated hardware, and synthetic-looking lining, inconsistent with classic vintage Coach construction.",
                    "photo 5: Seller title explicitly describes the item as PU leather and lists the seller brand as Unbranded."
                ],
                "missing_information": [
                    "photo 1-5: No actual seller-taken close-up of a Coach creed, serial\/style-number tag, or country-of-manufacture line is provided.",
                    "photo 1-5: No independent close-up confirming the material, hardware markings, or interior brand label beyond the supplied product graphics."
                ],
                "authenticity_concerns": [
                    "photo 1-5: PU\/synthetic construction is incompatible with the vintage glove-tanned leather Coach population.",
                    "photo 2-5: The visible branding appears to be an unfamiliar non-Coach animal logo and wordmark rather than Coach branding.",
                    "photo 1-5: Product-render\/catalog-style images and an unbranded listing provide no verifiable Coach identifiers."
                ],
                "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 1-5: Black\/dark plated zipper hardware, clips, rings, and multiple decorative charms including a red heart and keys; no Coach engraving is visible.",
                    "leather_description": "photo 1-5: Textured blue synthetic-looking material; seller states PU leather.",
                    "lining_description": "photo 4: Brown\/tan fabric-like interior lining is visible; exact fiber and label are not visible.",
                    "strap_construction": "photo 1 and photo 4: Two adjustable backpack straps plus a detachable-looking long shoulder strap attached with side clips.",
                    "stitching_description": "photo 1-5: Visible perimeter stitching appears regular in the product graphics, but construction quality cannot be verified from catalog-style images."
                },
                "possible_model_reasoning": [
                    "photo 1-5: The silhouette is a modern convertible backpack, not a recognizable listed vintage Coach model.",
                    "photo 2-5: The modern PU construction, decorative heart\/key charm, unfamiliar animal logo, and backpack hardware point to a generic contemporary bag rather than Coach.",
                    "photo 4: The shown dimensions are approximately 11.8 by 9.8 by 3.9 inches according to the product graphic; this supports a small modern backpack classification only.",
                    "photo 1-5: Condition cannot be reliably graded because the images appear to be product\/catalog graphics rather than photographs of the listed item; visible presentation is approximately new, but actual wear is unknown."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.97,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.15,
                "missing_information": [
                    "No creed patch shown - not expected for this type",
                    "No Coach identifiers visible to verify - none expected",
                    "Interior back wall \/ pocket close-up for creed not provided"
                ],
                "negative_evidence": [
                    "photo 1: blue pebbled PU faux-leather backpack silhouette, not a Coach catalog silhouette",
                    "photo 1, photo 2, photo 3: kangaroo logo with MAOXIAOSHU \/ MAIQIDAISHU \/ XINZHIDAISHU branding, not COACH",
                    "photo 3 detail 4: signature metal logo is kangaroo + MAIQIDAISHU",
                    "photo 3 detail 5: gunmetal plated double zippers with MQDS kangaroo tags, not solid brass Talon\/YKK vintage",
                    "photo 4: brown polyester fabric lining, not unlined suede glove-tanned",
                    "photo 4: backpack straps with buckles plus detachable woven shoulder strap, heart\/key charm - modern fast-fashion construction",
                    "listing title states PU Leather - faux leather per triage rule coach_probability <=0.05"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal \/ black-nickel plated zippers, D-rings, swivel hooks and buckles; modern plated finish, not solid brass vintage hardware",
                    "leather_description": "blue pebbled-grain PU faux leather as stated in title; uniform embossed grain, no glove-tanned patina",
                    "lining_description": "brown polyester fabric lining visible in photo 4 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching tone-on-tone, visible edge seams; no vintage Coach stress-point details visible",
                    "strap_construction": "convertible backpack straps with buckle adjustment plus detachable side shoulder strap on swivel hooks; top handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach model: backpack silhouette with kangaroo branding, PU material, plated hardware and polyester lining are inconsistent with any vintage Coach line",
                    "No creed, no COACH wordmark, no horse-and-carriage, no turnlock, no hangtag visible in any photo",
                    "Seller correctly listed as Unbranded; title explicitly PU Leather",
                    "Condition: New \/ stock images; no vintage wear to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
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            "input_tokens": 22774,
            "output_tokens": 901,
            "total_tokens": 23675,
            "estimated_cost_usd": 0.011272
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 23480,
            "output_tokens": 1033,
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}