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

Registered letter with declared value (50 Reichsmark) from Rotterdam Calandstraat to Stuttgart 18.XII.43, Cologne 'c' censor and with 2 Cologne OKW wax seals. Seals very rare, only a few letters known, second rate letter with just 30 cent rate
WW2 Postal History - The Kees Adema Collection