Ataman Semenov issue 5 rubles on 5 kopeks brown lilac and 10 rubles on 70 kopeks brown and orange in pair on reverse of commercial cover from Chita 30-7-1920 to Harbin (China), fine (cover some creases and wrinkles and a little bit smudgy) Commercial covers with the Semenov issue are extremely rare, it is believed that there are only a few in existence!