2001 Centenary of Federation,State Three Coin Proof Set, Tasmania. In September 1808, the first consignment of convicts reached the penal colony of Van Diemen's Land, later to become Tasmania. From these harsh beginnings, civil society slowly began to grow and transportation was ended in the early 1850's. In 1857 the recently named colony of Tasmania gained self government. By the beginning of the 1890's, it had a small but active economy and its people ere enthusiastic about the prospect of joining with the rest of Australia in a Federation. Nominal specifications, 20 cent Metal Cupro Nickel, Weight 11.30 grams, Diameter 28.52 mm. 50 cent Metal Cupro Nickel, Weight 15.55 grams, Diameter 31.51 mm. $1 Metal Aluminimum Bronze, Weight 9.00 grams, Diamter 25.00 mm. Certificate of Authenticity included with this set numbered 2153. * Please note there is some wear on the very corners of the cardboard box. Please contact Adelaide Exchange Jewellers to find out more on this item.