Lot 9592
UPU/USA: 3 original treaties, "Convention between Her Majesty and the United States of America, for the Improvement of the Communication by Post between their resprective Territories" (December 15, 1848), "Convention between the General Post Office of the United Kingdom of Great Britain and Ireland, and the General Post Office of the United States of America (18th of June, 1867) and "Copies "of three Contracts entered into by the Postmaster General for the Conveyance of Mails from this Country to the United States: viz.; with Messrs. Cunard & Co.; with Mr. William Imman; with North German Lloyd of Bremen" (2 March 1869), interesting documents, useful source for every postal history specialist