Tajikistan | 500 Somonī, 2010 | Obverse: Portrait of Abūabdullohi Rūdakī (858-941), was a Persian poet regarded as the first great literary genius of the Modern Persian language | Reverse: Palace of Nations in Dushanbe with the Presidential standard of Tajikistan, and National flag of Tajikistan | Watermark: Abūabdullohi Rūdakī |