Is Gaimei's calligraphy collectible?

Yes

Mr. Gaimei's calligraphy works are few in number and high in rarity. Mr. Meg's calligraphy works are an important part of the development of China's calligraphy in the 20th century, and play an important role in the history of China's calligraphy. Mr. Gemei is a famous calligrapher, and his works are of high artistic level, which can represent the high level of calligraphy art in China.