Ключевые слова: adult, aged, ancient, antique, beard, collection, collector, communication, communism, correspondence, delivery, economist, engels, europe, face, friedrich, germany, global, historic, history, hobby, letter, macro, mail, male, man, message, old, paper, people, perforated, perforation, person, philately, philosopher, picture, portrait, post, postage, postal, postmark, retro, send, stamp, symbol, used, vintage,