Frantisek Kupka (Czech, 1871-1957) L'entêtement ou l'idole noire, circa 1905 Aquatint and etching on Marais paper 25-7/8 x 19-3/4 inches (65.7 x 50.2 cm) (sheet) An early state proof in black ink Stamped in red ink lower right: Kupka Property from the Collection of the Estates of Larry Saphire and Marie-Madeleine Saphire HID12401132022 © 2025 Heritage Auctions | All Rights Reserved www.HA.com/TexasAuctioneerLicenseNotice