"Persian manuscript in Japan" in Persian :دستخط پارسی ژاپن also called Nanban), is a Persian inscription from 1217 AD that was written by a Persian in Quanzhou of China for a Japanese monk named Keisei, a poem of Shahname Ferdusi. It is designated as a national important cultural property (artwork) in Japan. It is the oldest existing Persian document in Japan.[1]