Ключевые слова: aged, antique, canceled, commemorative, communication, correspondence, europe, gleb, gleb ivanovich uspenski, historian, hobby, isolated, issue, ivanovich, letter, macro, mail, male, man, office, old, paper, perforated, philately, post, postage, postal, postmark, retro, russia, russian, service, shipping, stamp, used, uspenski, vintage, writer,