1976 U.S. Bicentennial souvenir stamp sheet collection.  Four (4) different 5-stamp sheets:  The Surrender of Lord Cornwallis at Yorktown from a painting by John Trumbull (13 cents); The Declaration of Independence, 4 July 1776 at Philadelphia from a painting by John Trumbull (18 cents); Washington Crossing the Delaware from a painting by Emanuel Leutze/Eastman Johnson (24 cents); and Washington Reviewing His Ragged Army at Valley Forge from a painting by William T. Trego (31 cents).  Each souvenir sheet is mint, never hinged.  See photos.