1937, legion Condor, letter (with content), the at the upper margin shortened is, so that the sender details cut off are, with red date entrance stamp 22. March 1937 at Hans Ulrich Kuhnke, 1. / F. / 88. ( = 1. Battery flak battalion 88) in Spain, rare, the envelope is strong soiled, Michel 1000, 00 (former starting price 250)