Ключевые слова: background, collect, collectible, collection, communication, communism, communist, correspondence, dictator, historic, hobby, image, leadership, lenin, letter, macro, mail, male, message, monument, object, october, old, paper, philatelic, philately, picture, politician, post, postage, postal, postmark, red, retro, revolution, ruler, russia, russian, seal, send, series, set, sign, soviet, stamp, symbol, union, used, ussr, vintage,