The 1997 Silver Kookaburra features a kook perched at a nest feeding its young, designed by Milena Milan. This coin has a special privy mark that depicts the reverse design of the Crown, which was introduced in 1937. The Raphael Maklouf profile of Her Majesty Queen Elizabeth II and the monetary denomination are shown on the obverse. Limited mintage of 4,000. Includes box and certificate of authenticity.