Ключевые слова: 20, 1958, art, black, canceled, collectible, communication, correspondence, design, drawing, filler, historic, history, horn, hungarian, hungary, image, isolated, letter, mail, mark, message, national, object, old, ornate, paper, perforation, philatelic, philately, picture, post, postage, postal, postmark, print, red, retro, stamp, symbol, vintage,