|Radio Day. 1981. Communications Workers’ Day.
Unused Illustrated Envelop
|Envelop Description||Radio Day, Communications Workers’ Day (as it is officially known in Russia) is a commemoration of the development of radio in Russia. It takes place on 7 May, the day in 1895 on which Alexander Stepanovich Popov successfully demonstrated his invention|
|Type||Unused Illustrated Envelop|
|Published by/for:||Ministry of Communications|