Happy Anniversaries!!
The 420th anniv printing of first Russian book by Ivan Fyodorov (c. 1510–1583), East Slavic printer and publisher, regarded as one of the pioneers of printing in Russia and Ukraine. Designed by I. Malyukov, issued on October 12, 1983.

The 600th birth anniversary of Imadeddin Nasimi (~1369-1417), Azerbaijani poet and mystic whose lyrical works, written in Azerbaijani, Persian and Arabic, became highly influential in Turkic literature. Designed by Valery Pimenov, engraved by Aleksander Tkachenko, issued on September 5, 1973.

The 150th birth anniversary of Nikolay Chernyshevsky (1828–1889), Russian philosopher, writer and revolutionary thinker best known for his influential novel What Is to Be Done?. Designed by Nikolai Cherkasov, engraved by Lidiya Mayarova, issued on July 20, 1978.

The birth centenary of Samuil Yakovlevich Marshak (1887-1964), Russian and Soviet poet, translator and children's writer, renowned for his poetry, plays and translations of English literature. Designed by Vladislav E. Koval, engraved by Yury Yermakov, issued on November 3, 1987.

The birth centenary of - Nikolai Vavilov (1887–1943), Russian and Soviet geneticist and botanist famous for his pioneering studies of crop diversity and the geographic centers of origin of cultivated plants.
