1942, army postal service R cover with Standard stamp "538 3. 10. 42" and fieldpost R-slip of paper with K-no. 538 ( = field post office 686 in the area El Alamein) as well with service stamp and senders note army postal service no. 17192 = "4. squadron Aufklein battalion 3 the 21. Pz. Div. " to Bad Kissingen, good condition