World War II, German censor 'd' München, collection with 16 letters, well described on exhibition pages including Riemer D97 on letter Estoril-Bruxelles (stamp teared out probably by censor!), Riemer D2, letter Portugal, Postbus 512 (Polish army) to Polen February 1941, D85 Freimarke abgefallen, D100 grün Der Zollstelle vorzuführen