Weimar Republic Officials Numerals MiNr. 66 a MiNr. 66 b MiNr. 67 MiNr. 68 a MiNr. 68 b These official stamps were issued beginning May 1921 (MiNr. 66) and November 1922 (MiNr. 67-68). Set Date(s) May 1921 / November 1922 Watermark(s) Album Page(s) Numerals MiNr. 66 a MiNr. 66 b MiNr. 67 MiNr. 68 a MiNr. 68 b These official stamps were issued beginning May 1921 (MiNr. 66) and November 1922 (MiNr. 67-68). Set Date(s) May 1921 / November 1922 Watermark(s) Album Page(s)