1937 / 38, war navy, 2 service covers with postal stamp German was navy shipãs mail no. 11 (torpedo boat "falcon") from 27.11.37 ( = DIN A5 size) respectively from 5.1.38 as well in each case with service- and letter stamp "4. Torpedo boat flotilla cash office" to Wilhelmshaven; at that time was the "falcon" near the 11. Spain association from 6.10.37 to 15.3.38 before Spanish coast in the line of duty, legitimate condition, Michel 140, 00