Nicaragua 978-988, C876-C879, C879a perf and imperf souvenir sheets exist, lightly hinged, $13.65. Michel 1852-1868 Bl.84-85. American Bicentennial, 1976: Paul Revere, Tearing Down The Old, Spirit of 1776, William Pitt, Boston Massarge, Coins, Boston Tea Party, Declaration of Independence, Cornwallis' Surrender, Washington, Washington's Farewell, Inauguration, Thomas Jefferson, Benjamin Franklin, Flags.