Ключевые слова: aged, antique, botanist, canceled, chemist, collection, commemorative, communication, correspondence, europe, flora, flower, hobby, hungarian, hungary, isolated, issue, kitaibel, kitaibelia, kitaibelia vitifolia, letter, macro, mail, nature, office, old, pal, pal kitaibel, paper, perforated, philately, physician, plant, post, postage, postal, postmark, retro, service, shipping, stamp, used, vintage, vitifolia,