2021 Sc – Pafnuty Chebyshev Scott –

2021. Pafnuty Chebyshev.
Condition: MNHOG.
Catalogs: Scott -, Standard Collection -, Michel -.
Issued on: May 20, 2021.
Perforation: comb 12 x 12½.
Printing: Offset lithography.
Face value: 40 ₽.