Discover the potential value of the 1976 Australian 20 cent coin featuring Queen Elizabeth II! Explore the top 7 rarest Australian 20 cent coins worth millions, including the ultra-rare Elizabeth 20 cent. Learn why some of these coins are highly sought after by collectors and investors, and uncover the secrets behind their high monetary worth. Dive into the world of Australian numismatics and uncover the treasures hidden within your pocket change.