Guiana Shield Guiana Shield The Guiana Shield is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation in northeast South America that forms a portion of the northern coast. The higher elevations on the shield are called the Guiana Highlands, which is where the table-like mountains called tepuis are found. The Guiana Highlands are also the source of some of the world's most spectacular waterfalls such as Angel Falls, Kaieteur Falls and Kuquenan Falls. The Guiana Shield underlies Guyana (previously British Guiana), Suriname (previously Dutch Guiana) and French Guiana (or Guyane), most of
British Guiana 1c magenta British Guiana 1c magenta The British Guiana 1c magenta is regarded by many philatelists as the world's most famous rare stamp. It was issued in limited numbers in British Guiana (now Guyana) in 1856, and only one specimen is now known to exist. It is the only major postage stamp ever issued that is not represented in Britain's Royal Philatelic Collection. It is imperforate, printed in black on magenta paper, and it features a sailing ship along with the colony's Latin motto ""Damus Petimus Que Vicissim"" (We give and expect in return) in the middle. Four thin lines frame the