1946, minesweeping service, stampless service letter with postal stamp (21) MINDEN (WESTF) 2 from 10.8.46 and frame stamp post FREE / charges / free as well with senders note Flotten DOCUMENT CENTRE / britisch Flotten HEADQUARTERS, (21 a) Minden i. Westfalia to the German demining service conducting in Hamburg and 2 Confirmations (certificate of residence ++ statutory declaration explanation from 1.12.45 respectively from 5.5.47), good legitimate condition