Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.49,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.495,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly shaped leather handbag with a stitched handle and gathered body.",
        "photo 1: round metal closure is visibly stamped \"NEW EY... ENGLAND\" rather than COACH."
    ],
    "negative_evidence": [
        "photo 1: hardware is visibly marked \"NEW ENGLAND,\" a non-Coach brand indication.",
        "photos 2-5: no COACH wordmark, horse-and-carriage emblem, leather hangtag, or recognizable Coach creed is visible.",
        "photos 2-5: the gathered evening-bag silhouette and handle construction do not closely match the listed classic Coach catalog silhouettes.",
        "photo 1: the closure is a snap\/button mechanism, not a Coach turnlock.",
        "photo 1: snap stamped * NEWEY * ENGLAND - positively identifies English maker Newey, not Coach",
        "photo 2, photo 3, photo 4: no COACH wordmark, no horse-and-carriage, no creed patch, no hangtag visible",
        "photo 2, photo 3, photo 4: cut-out integral top-handle mini pouch silhouette matches no Coach catalog style",
        "photo 1, photo 2: no turnlock, no solid-brass Coach turnlock geometry, no dogleash clips"
    ],
    "missing_information": [
        "photo 1: the hardware inscription should be photographed straight-on at higher resolution to confirm the complete wording.",
        "Interior, lining, maker label, and any additional stamps are not shown.",
        "Bottom, side seams, closure underside, and leather thickness are not shown.",
        "Seller-provided dimensions and material composition are not included.",
        "interior views not shown - lining and any interior labels unknown",
        "bottom \/ corners \/ side views not shown",
        "no creed patch shown",
        "no full dimensions other than ~10 in wide tape scale in photos 2-4"
    ],
    "authenticity_concerns": [
        "photo 1: visible non-Coach maker marking strongly indicates a lookalike or another brand rather than Coach.",
        "photos 1-5: no Coach identifier is present to support a Coach attribution.",
        "photo 1: hardware explicitly branded * NEWEY * ENGLAND - England is not a Coach manufacturing country for vintage classics"
    ],
    "possible_model_reasoning": [
        "The shape is an unbranded or New England-marked small leather evening handbag, not a close match for the Coach models in the reference catalog.",
        "Seller's claimed 1960s-70s dating is not independently verifiable from the provided photos; the visible hardware marking identifies the maker category but does not establish a precise date.",
        "Condition appears Very Good from the visible exterior: intact body and handle with visible creasing\/gathering; interior and functional closure condition are unknown.",
        "No Coach model fits: cut-out handle pouch with Newey England snap is inconsistent with any Classic glove-tanned era style (City Bag, Willis, Court, Dinky, etc.)",
        "Serial decode: none - no serial visible",
        "Era reasoning: seller claims 1960s-70s but no Coach identifiers to date; emitted as unknown for non-Coach bag",
        "Condition: Very Good to Good based on photos 2-4; leather intact with creasing, no visible corner blowouts, but interior, bottom and odor unknown so grade capped"
    ],
    "estimated_era": "unknown",
    "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: round brass-tone snap\/closure visibly stamped with wording including \"NEW ENGLAND\"; no Coach engraving visible.",
        "leather_description": "photos 2-5: black leather or leather-like material with a smooth, softly glossy finish and gathered body; exact material is not verifiable.",
        "lining_description": "not_visible",
        "strap_construction": "photos 2-5: short integrated stitched top handle; no shoulder strap visible.",
        "stitching_description": "photos 2-5: visible dark stitching around the handle and bag perimeter, generally even but with some irregularity at the gathered sections."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0373,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.38,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.96,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: clearly shaped leather handbag with a stitched handle and gathered body.",
                    "photo 1: round metal closure is visibly stamped \"NEW EY... ENGLAND\" rather than COACH."
                ],
                "negative_evidence": [
                    "photo 1: hardware is visibly marked \"NEW ENGLAND,\" a non-Coach brand indication.",
                    "photos 2-5: no COACH wordmark, horse-and-carriage emblem, leather hangtag, or recognizable Coach creed is visible.",
                    "photos 2-5: the gathered evening-bag silhouette and handle construction do not closely match the listed classic Coach catalog silhouettes.",
                    "photo 1: the closure is a snap\/button mechanism, not a Coach turnlock."
                ],
                "missing_information": [
                    "photo 1: the hardware inscription should be photographed straight-on at higher resolution to confirm the complete wording.",
                    "Interior, lining, maker label, and any additional stamps are not shown.",
                    "Bottom, side seams, closure underside, and leather thickness are not shown.",
                    "Seller-provided dimensions and material composition are not included."
                ],
                "authenticity_concerns": [
                    "photo 1: visible non-Coach maker marking strongly indicates a lookalike or another brand rather than Coach.",
                    "photos 1-5: no Coach identifier is present to support a 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 1: round brass-tone snap\/closure visibly stamped with wording including \"NEW ENGLAND\"; no Coach engraving visible.",
                    "leather_description": "photos 2-5: black leather or leather-like material with a smooth, softly glossy finish and gathered body; exact material is not verifiable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 2-5: short integrated stitched top handle; no shoulder strap visible.",
                    "stitching_description": "photos 2-5: visible dark stitching around the handle and bag perimeter, generally even but with some irregularity at the gathered sections."
                },
                "possible_model_reasoning": [
                    "The shape is an unbranded or New England-marked small leather evening handbag, not a close match for the Coach models in the reference catalog.",
                    "Seller's claimed 1960s-70s dating is not independently verifiable from the provided photos; the visible hardware marking identifies the maker category but does not establish a precise date.",
                    "Condition appears Very Good from the visible exterior: intact body and handle with visible creasing\/gathering; interior and functional closure condition are unknown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: hardware explicitly branded * NEWEY * ENGLAND - England is not a Coach manufacturing country for vintage classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views not shown - lining and any interior labels unknown",
                    "bottom \/ corners \/ side views not shown",
                    "no creed patch shown",
                    "no full dimensions other than ~10 in wide tape scale in photos 2-4"
                ],
                "negative_evidence": [
                    "photo 1: snap stamped * NEWEY * ENGLAND - positively identifies English maker Newey, not Coach",
                    "photo 2, photo 3, photo 4: no COACH wordmark, no horse-and-carriage, no creed patch, no hangtag visible",
                    "photo 2, photo 3, photo 4: cut-out integral top-handle mini pouch silhouette matches no Coach catalog style",
                    "photo 1, photo 2: no turnlock, no solid-brass Coach turnlock geometry, no dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone snap \/ eyelet stamped * NEWEY * ENGLAND in photo 1; no turnlock, no zipper, no Coach-engraved hardware visible",
                    "leather_description": "black smooth leather small handbag \/ clutch, soft with surface sheen in photos 2-4",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark perimeter stitching around integral cut-out handle visible in photos 2-4; detail not close enough to assess evenness",
                    "strap_construction": "no detachable strap; integral cut-out top handle stitched to body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: cut-out handle pouch with Newey England snap is inconsistent with any Classic glove-tanned era style (City Bag, Willis, Court, Dinky, etc.)",
                    "Serial decode: none - no serial visible",
                    "Era reasoning: seller claims 1960s-70s but no Coach identifiers to date; emitted as unknown for non-Coach bag",
                    "Condition: Very Good to Good based on photos 2-4; leather intact with creasing, no visible corner blowouts, but interior, bottom and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 784,
            "total_tokens": 27884,
            "estimated_cost_usd": 0.012722
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28840,
            "output_tokens": 1528,
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}