Academy of Sciences of Ukraine on post stamp

Keywords:

collection, stamp, picture, communications, postage, mail, post, postmark, label, zigzag, canceled, mark, philately, correspondence, retro, vintage, USSR, soviet, Kiev, Ukraine, Academy, of, Sciences, Order, Lenin, building, yellow, brown, anniversary, architecture, symbol, city, town, science, progress, research, discovery, boulevard, avenue, cultural, culture, heritage, history, tourism, travel,