Hua Dan is a traditional Chinese opera role. The role is often young women who is lively or forceful debauchery, often a little comedy.

卜商读书帖 is STXingkai, paper,it is vertical 25.7cm, cross-16.5cm, has 6 lines of 53 characters.

It's a beautiful snake paper cut.

Ouyang Xun(Chinese: 歐陽詢;) (557-641),also named Ouyang Xinben(Chinese: 歐陽信本),was a Confucian scholar and calligrapher of the early Tang Dynasty.

干呕帖(gan ou tie) also know as 如常帖(ru yue tie)、昨还帖(zuo huan tie).It is 14.1 cm vertical, horizontal 26.4 cm, a total of 4 lines of 36 characters.