1851/1930, HOUSE OF REPRESENTATIVES / SENAT CHAMBERS, a scarce collection of about 196 letters with printed senders adresses ”House of Representatives” or ”Senate Chambers” from 32 different federal states, the most items before 1900 with rich illustrations and postmasters handstamps or seals, all franked with stamps, often the written content enclosed, in addition a small lot of ca. 30 modern congress-letters (from ca. 1960/70). An unique offer for the advanced topic-collector of US-postal history! (S)