27 February 2020
Celebrated Historians of Russia — Sergei M. Solovyov and Ivan E. Zabelin
Design artist: Uliyanovskiy I.
Paper: Chalk surfaced
Printing Method: Offset + security system
Perforation: Comb 12:11¾
200th Anniversary of Sergei M. Solovyov and Ivan E. Zabelin will go into postal circulation in the Celebrated Historians of Russia series. The postal stamps provide portraits of Sergei Solovyov against his book History of Russia since Ancient Times and of Ivan Zabelin against his book Minin and Pozharsky. Straight and Curved Lines in the Time of Troubles.