Ключевые слова: 2nd, 5d, aussie, australia, australian, celebrate, celebration, commemorate, commemoration, commonwealth, communication, crown, elizabeth, elizabeth ii, er, figure, historic, historical, history, hrh, icon, iconic, ii, letter, mail, monarch, monarchy, person, philatelic, philately, portrait, post, postage, postal, postmark, postmarked, queen, queen elizabeth ii, royal, royal family, royalty, second, southern hemisphere, stamp, stamps, symbol,