Essay postage.Ri.1903- (1906).Series "300th anniversary of the Romanov House".Nicholas II.Without a face value.CMS-GK No. GKNR41...

Essay postage.Ri.1903- (1906).Series "300th anniversary of the Romanov House".Nicholas II.Without a face value.CMS-GK No. GKNR41 (dark violet, and greenish-gray, perforation. 13.5).Author: Mushon L. Paper Mated one-sided (thick, with interspersed), printing printing (dark purple and greenish-gray).23x29;20x26.- -.-Horizontal windows GKP-40132..Electronic copy source: PB