A Red Mark Pu-er Tea Cake, Circa 1950s
Six Pieces of 'Loong Fok Kee Sun Yishun' Liu An Tea, 1960s-1970s
Four Pieces of Pu-er Tea Brick Produced During Cultural Revolution, Circa 1970s
Twenty Pieces of Pu-er Tea Brick, Circa 1980s
A Stack of 8653 Pu-er Tea Cake in Traditional Chinese Characters, Circa 1980s
