A Stack of 'Gam San Lau' Red Mark Pu'er Tea Cake without Wrapping, Circa 1950s
A Piece of Red Mark Pu'er Tea Cake, Circa 1950s
Two Stacks of 7452 Pu'er Tea Cake, 1970s
7 Pieces of 8582 Pu'er Tea Cake In Thin Wrapping, 1980s
Eight pieces of Pu'er Tea Cake, Circa 1993
