Luxemburg (Luxembourg)
German Occupation

Quick history:
Stamps of Luxemburg were valid until the 2nd October 1940. On 1st October 1940 the Hindenburg series were placed on sale with the "Luxemburg" overprint and from 1st January 1942 only stamps of Germany without overprints were valid in Luxemburg. German stamps were removed from sale on 29th September 1944. This overprint set was also valid in Alsace, Lorraine and the German reich.