1941, war navy, army postal service letter with cancellation adjusted machinery stamp from 17.3.41 as well with letter stamp and senders note army postal service no. M 00292 = heavily Kreuzer "Prince Eugene" to a Colonel the unit army postal service no. 21550 = Rgts. Rod Inf. Regiment 587 the 320. Inf. Div. ; sender adress of the letter is the captain at sea Helmuth Brinkmann, the from 1.8.1940 to July 1942 commander the "Prince Eugene" was, slight crease in the middle, otherwise excellent condition