1912, airmail on the Rhine and Main, 10 respectively 20 Pfg airmail stamp, each with left margin of sheet, and 5 Pfg Germania on 2 airmail postcards from \"airmail on the Rhine and Main / Darmstadt 19.6.12\" respectively \"Frankfurt 16.6.12\" to Darmstadt respectively Munich, latter with wonderful calligraphic address, faultless condition, decorative pair of documents, Si. 275.-