Dear John, Chrysanthemum Garden is a letter written by Ji Kang, one of the "Seven Sages of Bamboo Forest" in the Three Kingdoms period, to his good friend Dan Tao (Chrysanthemum Garden), and it is also a famous essay that has been told for generations.
Yours is from 35 years of the Republic of China. Let's see if it's handwritten. If it is a celebrity, it should be more valuable.