Concentration Camp Buchenwald, 2 letters from The Hague, written Juni-Brief and Oktober-Brief, both 1941, (1 letter a month was allowed), forwarding cancel in red and black Correspondentiebureau/ van het Ned. Roode Kruis (Red Cross bureau), receiver was Holl. Geisel N.94 (a Dutch hostage, number 94, for the internment of German citizens in Netherlands Indies), both letters censored with POSTCENZURSTELLE (and stamps removed)