Ключевые слова: animals, background, beautiful, bird, black, collectible, collection, collector, communication, correspondence, country, date, delivery, eagle, fauna, flight, history, isolated, isolation, known, korea, macro, mail, meeting, message, micro, national, north, object, old, overprint, paper, perforated, perforation, philatelic, philately, post, postage, postal, postmark, predator, print, service, stamp, symbol, terrible, used,