May 19, 2026Wilhelm Hunt Diederich (American, 1884-1953) FigEst. US$15,000-US$25,000US$7,500Heritage AuctionsDallas, TX
May 31, 2026Wilhelm Hunt Diederich Art Deco Ibex Silhouette Cut Paper on Silver Ground, SignedEst. US$700-US$3,500US$400Collective HudsonKingston , NY
