Lot 664, People’s Republic of China 1967 Thoughts of Mao Tse-tung, two mint strips of five October 25, 2021 by Sparks Auctions Lot 664, People’s Republic of China #943a, 948a 1967 Thoughts of Mao Tse-tung Strips of Five, all mint never hinged, 843a is very fine and fresh and 948a is a bit tarnished and has one fold between stamps. Scott CV U$4,200.