Ключевые слова: artist, background, beautiful, black, collectible, collector, colletion, communication, correspondence, country, date, etude, flowerses, history, known, kramskoy phloxes, macro, mail, message, micro, national, object, old, overprint, paper, payment, perforated, perforation, philatelic, philately, picture, post, postage, postal, postmark, print, russian, send, service, stamp, symbol, used, ussr,