Four Pieces of Pu-er Tea Brick Produced During Cultural Revolution, Circa 1970s
A Stack of 7542 Pu-er Tea Cake in Thick Wrapping, Mid 1980s
Four Pieces of Red Mark Pu-er Tea Cake without Wrapping, Circa 1950s
Four Pieces of 7562 Pu-er Tea Brick, Circa 1970s
Two Stacks of 8582 Pu-er Tea Cake, Late 1980s
