TWO-PIECE DIRK VAN ERP ARTS & CRAFTS MOVEMENT HAMMERED COPPER DESK SET,early 20th century. Both pieces marked for Dirk Van Erp. Including rectangular blotter with copper end pieces; pen tray with attached holder with pen with 14K yellow gold nib. Each piece applied with monogram initial "S" in old English script. (2 total). - Blotter, 15 in. x 24 in. Estimate $300-500