1921 Sc 20I Transportation of bread on the Volga Scott B15

1921. Transportation of bread on the Volga.
Catalog numbers: Scott B15, Standard Collection 20I, Michel 167, Yvert 154.
Issued on: December 31, 1921.
Perforation: Imperforate.
Printing: Lithography.
Colors: Carmine.
Face value: 2,250 ₽.
Quantity: 4,000,000.