USPS (12) Sheets of 13 Cent Stamps $ 78.00Face Value. New unhinged condition. There are 12 different topics: transatlantic flight, commercial aviation, butterflies, bicentennial, 1976 Olympics, peace Bridge 1927–77, bicentennial era flags, first civil settlements 1777, Centennial recording of sound, July 4, 1776, Harriet Tubman, and Captain James Cook. Please see pictures for your best condition details, markings, and topics.