1921 Sc 10PP Science and Arts Scott 183a

1921. Science and Arts.
Catalogs: Scott 183a, Standard Collection 10PP, Mi 158Iy.
Issued on: 1921.
Perforation: Imperforated.
Printing: Lithography.
Colors: Dark grey violet.
Face value: 250 ₽.
Quantity: 78,929,150.