This lot contains mint unhinged a sets of 4 souvenir sheets US Postal Service 1976 American Bicentennial Souvenir Sheets issue. The sheets are displaying: The Surrender of Lord Cornwallis at Yorktown from a painting by John Trumbull The Declaration of Independence, 4 July 1776 at Philadelphia by John Washington Crossing the Delaware from a painting by Emanuel Leutze/Eastman Johnson Washington Reviewing His Ragged Army at Valley Forge from a Painting by William T. Trego The sheets are enclosed in a commemorative envelope. The Scott numbers 1686-1689.