Dried Tangerine Peel, Circa 1955
Two Pieces of Tong Ren Tang Angong Niuhuang Wan, 1992
Dried Tangerine Peel, Circa 1967
Three Pieces of Tong Ren Tang Angong Niuhuang Wan, Circa 1980s
Three Pieces of Angong Niuhuang Wan from Beijing Chinese Medicine Factory, 1989
