Third Reich Sudetenland Plebiscite MiNr. 684 x MiNr. 684 y MiNr. 685 This series was issued on 2 December 1938 to commemorate the Sudetenland Plebiscite, 4 December 1938. The “x” value has vertically rippled gum, while the “y” value has horizontally rippled gum. Set Date(s) 2 December 1938 Watermark(s) Album Page(s) Sudetenland Plebiscite MiNr. 684 x MiNr. 684 y MiNr. 685 This series was issued on 2 December 1938 to commemorate the Sudetenland Plebiscite, 4 December 1938. The “x” value has vertically rippled gum, while the “y” value has horizontally rippled gum. Set Date(s) 2 December 1938 Watermark(s) Album Page(s)