Tierra Del Fuego, Argentina, 1891, 10c local stamp, block of 4 and 2 singles on an album page.  These stamps were issued in 1891 by Julius Popper an owner of mines on Tierra del Fuego, under a concession granted by Argentina.  These stamps were payment to his messengers for carriage of letters to post offices in Chile or Buenos Aires.  The value of 10 centavos was equal to 10 centigrams of gold. See scans.  Free first class shipping to any U.S. address.