Germany Reich. Postcard Michel 85 cover, Germania 5 pf dull green, cancelled OOS 3.10.11, on postcard depicting air ship "SCHWABEN", carried by the air ship from Baden-Baden to Oos. Red cancellation "AM BORD DES ZEPPELIN 3 - OKT. 1911 LUFTSCHIFFES SCHWABEN". Sieger No. 2 I. Attest Briefmarkenprüfstelle Basel (2002). A scarce card in pristine condition!