1921 Sc 13Kc First definitive issue Scott 186

1921. First definitive issue.
“С” over “Ф”.
Catalog numbers: Scott 186, Standard Collection 13Kc, Mi 161xb.
Issued on: 1921.
Perforation: Imperforate.
Printing: Lithography.
Colors: Carmine red.
Face value: 1,000 ₽.

Block of four: only one stamp has the variety.