1912, airmail on the Rhine and Main, 10 Pfg airmail stamp with left upper corner of the sheet and 5 Pfg Germania on airmail postcard from \"airmail on the Rhine and Main / Mainz 14.6.12\" to Mainz, airmail stamp well perforated, tiny tiny stain spot at the bottom centered, Germania stamp above partly a little flat perforated, corners of the sheet the Rhein / Main stamps are rare, Si. 190.-