1937, legion Condor, letter with 12 Pf Hindenburg with postal stamp BERLIN NW 7 from 29.11.37 of a member of the legion Condor from Spain to new Ruppin as well with senders note Theo black 4. K. 88 ( = 4. Convoy flak battalion 88) and red date entrance stamp 29. November 1937, rare, good legitimate condition, Michel 600, 00 (former starting price 300)