Stamp of the Soviet Union, a horse riding courier and a postal emblem, 1989, CPA 6145. Normal paper
Post of the Soviet Union, designer V. Koval / В. Коваль
1989-12-20
Newː Scanned 600 dpi by User Matsievsky from personal collection. Oldː Electronic catalog "Stamps of the Soviet Land" / <a rel="nofollow" class="external text" href="http://tracker.nnm.ru/marki_strany_sovetov_elektronnyj_katalog_pochtovyh_marok">Электронный каталог „Марки страны Советов”</a>