Auction 244 -Netherlands and former colonies, WW2 Postal History, Bosnia, German and British colonies, Egypt. - Day 3

12 censored letters to/from Netherlands-Germany 1939-1944 including Danzig-Rotterdam September 29, 1939 with Von der Wehrmacht zugelassen (permitted by the army) and reverse Im Staatsinteresse geöffnet (opened in the interest of the state) and 3x Schnellpostprüfstelle (extra rate 25 Pf.), was only permitted to companies
WW2 Postal History - The Kees Adema Collection