Two Pieces of 'Chung Cha' Brand Pu-er Tea Cake in Simplified ChineseCharacters, Circa 1970s
Three Stacks of 8582 Pu-er Tea Cake, Circa 1980s
Eight Pieces of 7542 Pu-er Tea Cake, Circa 1980s
Eight Pieces of 7542 Pu-er Tea Cake,Circa Late 1980s-Early 1990s
Four Stacks of Water Blue Mark Pu-er Tea Cake, 1997
