Weimar Republic Airmail Issues MiNr. 111 a MiNr. 111 b MiNr. 112 a MiNr. 112 b These airmail stamps were issued in October 1919. They depict a posthorn (MiNr. 111) and a biplane (MiNr. 112). The stamps were printed in 5×10 sheets. MiNr. 111 a Sheet MiNr. 112 a Sheet Set Date(s) October 1919 Watermark(s) None Album Page(s) Airmail Issues MiNr. 111 a MiNr. 111 b MiNr. 112 a MiNr. 112 b These airmail stamps were issued in October 1919. They depict a posthorn (MiNr. 111) and a biplane (MiNr. 112). The stamps were printed in 5×10 sheets. MiNr. 111 a Sheet MiNr. 112 a Sheet Set Date(s) October 1919 Watermark(s) None Album Page(s)