Ключевые слова: adult, aged, ancient, antique, anton, art, author, book, canceled, chekhov, cherry, classic, collection, communication, correspondence, delivery, dog, dramatist, face, famous, federation, head, historic, historical, history, hobby, icon, intelligent, lady, letter, literature, macro, mail, male, man, mark, message, national, novel, object, old, orchard, paper, perforated, perforation, person, philatelic, philately, picture, play, portrait, post, postage, postal, postmark, print, printed, retro, russia, russian, seagull, seal, send, serious, sisters, smart, soviet, stamp, story, symbol, three, unique, ussr, vintage, writer,