30th anniversary of the council for mutual economic assistance (COMECON).
30 years COMECON
COMECON or CMEA, a former intergovernmental body established in Moscow in January 1949 to assist and coordinate the economic policy of former communist dominated nations.
30 lat RWPG (Rada Wzajemnej Pomocy Gospodarczej) = 30 years of COMECON (Council of mutual economic assistance).
Find other Polish stamps commemorating RWPG anniversaries