USSR. SC N Bl. 37**. Overprint with order number.

USSR block, issued to 18th Olympic Games in Tokyo (Japan). 1 rouble, multicolored, autotype printing on white chalk-coated paper, with gum, imperforated, with black typographical overprint: "Октябрь 1964 г. Зак. 12453" - "October 1964 No. 12453". Condititon: original gum, without remarks. Block with order number overprint is known in one copy today.