2016 'The Changeover, 50th Anniversary of Australian Decimal Currency' Six Coin Uncirculated Set, Set Includes: Two Dollar, One Dollar, Fifty Cent, Twenty Cent, Ten Cent and Five Cent. $2 AlBr 6.6 grams 20.5 mm, $1 AlBr 9.0 grams 25.0 mm, 50c CuNi 15.55 grams 31.51 mm, 20c CuNi 11.3 grams 28.52 mm, 10c CuNi 5.65 grams 23.6 mm, 5c CuNi 2.83 grams 19.41 mm.