{"slug":"william-kempster","artist_id":"ac44fd9d-30b3-4d72-9e80-6988eb5c7a91","canonical_slug":"william-kempster","name":"William Kempster","built_at":"2026-11-01","categories":[{"bucket":"Works on Paper","lots_n":1,"sold_n":1,"median_price_usd_minor":215540,"record_price_usd_minor":215540,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2014-11-19","first_sale_year":2014},{"bucket":"Paintings","lots_n":2,"sold_n":2,"median_price_usd_minor":13518,"record_price_usd_minor":14869,"record_basis":"unverified","priced_lots_hammer_only":0,"priced_lots_unverified":2,"sell_through_pct":null,"last_sale_date":"2017-12-02","first_sale_year":2017}],"sizes":[],"notable":[{"bucket":"Paintings","year":"2017","total_price_usd":14869,"priced_basis":"unverified"},{"bucket":"Paintings","year":"2017","total_price_usd":12166,"priced_basis":"unverified"},{"bucket":"Works on Paper","year":"2014","total_price_usd":215540,"priced_basis":"premium"}],"last_sold":{"year":"2017","total_price_usd":14869,"priced_basis":"unverified"},"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"5fb45a63c7bcc82c525e60354e8371aa8aacc8c3"}