1973 Sc 4154 15th International Theatre Institution Congress Scott 4067

1973. 15th International Theatre Institution Congress.
Catalogs: Scott 4067, Standard Collection 4154, Michel 4103, Yt 3921.
Issued on: March 20, 1973.
Perforation: 11¼.
Printing: Photogravure.
Colors: Multicolor.
Face value: 6 Russian kopek.
Quantity: 2,800,000.