What size is suitable for collecting paintings and calligraphy, and what Chinese paintings are worth collecting?

Size depends on personal preference. If the house is big enough, you can collect 8 square feet or 12 square feet of banner works. If the house is small, you can collect a bucket or a 6-square vertical shaft and a 6-square banner. Many contemporary Chinese painting masters can collect Tian Yingzhang's Tian Kai calligraphy, Fa Jinshen's Buddhist temple, Li Yingbao's plum blossom and Han Xiao's colorful tones. All these paintings are worth collecting. You can contact me if you are interested.