Definitive Kiloware: United States from the late 1970s and early 1980s

Clipping 1-036: Single 13c Americana with horizontal pair of the 20c George Marshall value, and a block of four of the 1c Thomas Jefferson with tears to two of the stamps. Bold "LANGHORN, PA" canceller dated March 12, 197?, with unreadable year. Below I show details of some of the stamps.
Contact: | ©2004-2011 Somestamps