1926 / 30, war navy, letter with multiple franking over 5 Pf (2) with postmark German navy shipãs mail no. 52 from 22.6.26 and senders note 3. Torpedo boat half flottilla to Wilhelmshaven and official letter with senders stamp torpedo boat "gray wolf" and postal stamp German navy shipãs mail no. 12 from 19.5.30 to Wilhelmshaven, the letter from 1926 has mould stain, otherwise legitimate condition