1941 / 42, war navy, army postal service letter (with content one engagement notice) with postal stamp MAGDEBURG BPA 7 from 21.6.41 as well with letter stamp and senders note "Pioneer Ers. Battalion 4 Magdeburg" to a sailors the unit army postal service no. M 00292 10. Div. = heavily Kreuzer "Prince Eugene" and an army postal service Easter card without postal stamp from 29.3.42 with senders note army postal service no. M 00292 III. Div. = heavily Kreuzer "Prince Eugene", legitimate condition