2001 Kookaburra Silver Large Coin Series (1kg, 10oz, 2oz, 1oz)The 2001 Australian Proof Kookaburra set from The Perth Mint includes four impressive sizes: one kilo, ten ounce, two ounce, and one ounce, each struck in . 999 fine silver to exceptional proof quality. The obverse features Ian Rank Broadleys portrait of Queen Elizabeth II, while the reverses showcase the iconic kookaburra, with the 10oz piece presented in a special colourised Evolution of the Calendar design. Total mintage of only 300 sets