1942, was navy, service army postal service cover with Standard stamp from 13.04.42 to Wilhelmshaven as well with service- and cover stamp army postal service no. M 22990 = Kdo. 6. flotilla of a broachboat, the before Tobruk in North Africa to the mine clearing in the line of duty was and in Derna in North Africa your main port had, at the upper margin slightly shortened, otherwise but excellent condition, very rare