Ключевые слова: adult, aged, ancient, antique, armed, army, canceled, card, close, collection, communication, communism, communist, correspondence, delivery, envelope, exhibition, forces, government, historic, historical, history, lenin, letter, macro, mail, mark, message, object, obsolete, old, paper, perforated, perforation, philatelic, philatelist, philately, politician, portrait, post, postage, postal, postcard, postmark, print, printed, red, republics, retro, revolution, russia, russian, seal, service, socialist, soviet, stamp, symbol, troops, union, up, ussr, vintage,