Vintage Coach Hunter

{
    "is_handbag_probability": 0.57,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.505,
    "confidence": 0.915,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Backpack silhouette, padded webbing straps, and multiple zip compartments do not match a vintage Coach handbag.",
        "photo 2: Synthetic-looking black textile exterior and fabric-lined compartment are inconsistent with vintage Coach glove-tanned leather classics.",
        "photo 6: Visible fabric label states \"ALL MATERIAL: MAN MADE MATERIAL\" and \"MADE IN CAMBODIA\".",
        "photo 6: Label's style number is NB221173, not a Coach creed or Coach serial format.",
        "Listing title: Seller identifies the item as a copy of a Lululemon City Adventurer backpack; this is untrusted seller context but consistent with the visible backpack construction.",
        "photo 1: small black nylon mini-backpack, not a leather handbag silhouette, no turnlock, no hangtag, no COACH wordmark",
        "photo 1,3,4: nylon\/man-made exterior with webbing straps, not glove-tanned leather",
        "photo 2,4: black synthetic lining, not unlined suede",
        "photo 5: white fabric content tag reads ALL MATERIAL: MAN MADE MATERIAL MADE IN CAMBODIA STYLE# NB221173 COLOR# BLACK - non-Coach format, man-made material excludes vintage Coach"
    ],
    "missing_information": [
        "photo 1: Bottom and complete rear construction are not shown clearly.",
        "photo 5: Interior is partially shown, but no complete inspection of all pockets or labels is available.",
        "photo 3: Zipper brand and hardware markings are not clearly readable."
    ],
    "authenticity_concerns": [
        "photo 6: The visible generic manufacturing label and man-made material designation are inconsistent with a Coach leather handbag.",
        "photo 1: The item appears to be a non-Coach backpack\/lookalike rather than a Coach product; no Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "photo 1: Overall form is a modern compact backpack, not a cataloged vintage Coach handbag model.",
        "photo 6: Label says Made in Cambodia and identifies a generic style NB221173; this supports modern non-Coach manufacture but is not a Coach code.",
        "Condition: Good; visible creasing and handling wear on the textile body, with no obvious structural failure shown. Interior condition and odor are not fully assessable.",
        "Not a Coach silhouette: mini nylon zip backpack with front zip pocket vs any catalog classic in \u00a74",
        "Construction excludes vintage Coach per \u00a71 and \u00a73: man-made nylon exterior + synthetic lining + webbing straps, no glove-tanned leather, no solid brass turnlock, no creed patch",
        "Photo 5 tag format STYLE# NB221173 MADE IN CAMBODIA MAN MADE MATERIAL is inconsistent with any Coach creed\/serial format in \u00a72.3",
        "Condition: Good to Very Good; exterior shows light wear\/dust but no tears visible in photo 1,3; interior lining appears intact in photo 2,4"
    ],
    "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: Multiple gold-tone and dark zipper pulls are visible; no Coach engraving is legible. No turnlock or hangtag visible.",
        "leather_description": "photo 1: Black synthetic\/textile-looking exterior; not leather. photo 6: Label states man-made material.",
        "lining_description": "photo 2: Black synthetic fabric lining is visible inside the front compartment.",
        "strap_construction": "photo 1: Wide black webbing shoulder straps and a webbing top handle are visible.",
        "stitching_description": "photos 1-5: Machine-stitched textile construction is visible; stitching is generally even, with no vintage leather construction apparent."
    },
    "ensemble_agreement": "LOW",
    "ensemble_variance": 0.0592,
    "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": 0.86,
                "seller_misidentification_probability": 0.98,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Backpack silhouette, padded webbing straps, and multiple zip compartments do not match a vintage Coach handbag.",
                    "photo 2: Synthetic-looking black textile exterior and fabric-lined compartment are inconsistent with vintage Coach glove-tanned leather classics.",
                    "photo 6: Visible fabric label states \"ALL MATERIAL: MAN MADE MATERIAL\" and \"MADE IN CAMBODIA\".",
                    "photo 6: Label's style number is NB221173, not a Coach creed or Coach serial format.",
                    "Listing title: Seller identifies the item as a copy of a Lululemon City Adventurer backpack; this is untrusted seller context but consistent with the visible backpack construction."
                ],
                "missing_information": [
                    "photo 1: Bottom and complete rear construction are not shown clearly.",
                    "photo 5: Interior is partially shown, but no complete inspection of all pockets or labels is available.",
                    "photo 3: Zipper brand and hardware markings are not clearly readable."
                ],
                "authenticity_concerns": [
                    "photo 6: The visible generic manufacturing label and man-made material designation are inconsistent with a Coach leather handbag.",
                    "photo 1: The item appears to be a non-Coach backpack\/lookalike rather than a Coach product; no Coach identifier is visible."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": true,
                    "serial_or_style_number": "NB221173",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Multiple gold-tone and dark zipper pulls are visible; no Coach engraving is legible. No turnlock or hangtag visible.",
                    "leather_description": "photo 1: Black synthetic\/textile-looking exterior; not leather. photo 6: Label states man-made material.",
                    "lining_description": "photo 2: Black synthetic fabric lining is visible inside the front compartment.",
                    "strap_construction": "photo 1: Wide black webbing shoulder straps and a webbing top handle are visible.",
                    "stitching_description": "photos 1-5: Machine-stitched textile construction is visible; stitching is generally even, with no vintage leather construction apparent."
                },
                "possible_model_reasoning": [
                    "photo 1: Overall form is a modern compact backpack, not a cataloged vintage Coach handbag model.",
                    "photo 6: Label says Made in Cambodia and identifies a generic style NB221173; this supports modern non-Coach manufacture but is not a Coach code.",
                    "Condition: Good; visible creasing and handling wear on the textile body, with no obvious structural failure shown. Interior condition and odor are not fully assessable."
                ],
                "confidence": 0.95,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.15,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: small black nylon mini-backpack, not a leather handbag silhouette, no turnlock, no hangtag, no COACH wordmark",
                    "photo 1,3,4: nylon\/man-made exterior with webbing straps, not glove-tanned leather",
                    "photo 2,4: black synthetic lining, not unlined suede",
                    "photo 5: white fabric content tag reads ALL MATERIAL: MAN MADE MATERIAL MADE IN CAMBODIA STYLE# NB221173 COLOR# BLACK - non-Coach format, man-made material excludes vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone metal zippers with rectangular pull tabs, no COACH stamping visible",
                    "leather_description": "no leather visible; black nylon \/ man-made woven exterior per photo 1,3 and photo 5 tag",
                    "lining_description": "black synthetic fabric lining visible in photo 2 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around zip panels, no contrast thread detail visible",
                    "strap_construction": "black webbing backpack straps and top handle, no leather, no brass dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: mini nylon zip backpack with front zip pocket vs any catalog classic in \u00a74",
                    "Construction excludes vintage Coach per \u00a71 and \u00a73: man-made nylon exterior + synthetic lining + webbing straps, no glove-tanned leather, no solid brass turnlock, no creed patch",
                    "Photo 5 tag format STYLE# NB221173 MADE IN CAMBODIA MAN MADE MATERIAL is inconsistent with any Coach creed\/serial format in \u00a72.3",
                    "Condition: Good to Very Good; exterior shows light wear\/dust but no tears visible in photo 1,3; interior lining appears intact in photo 2,4"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
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            "total_tokens": 28054,
            "estimated_cost_usd": 0.012508
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            "model_name": "meta:muse-spark-1.3-contributor",
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}