50 Cents 1991, 25th Anniversary of the Changeover to a Decimal Currency System [Australia]

Coins-Australia and Oceania

Country: Australia
Weight: 15.55 g
Mintage: 4,364,000 pcs.
Name: 25th Anniversary of the Changeover to a Decimal Currency System
Metal: Cupronickel (copper-nickel)
Composition: Cu-Ni
Denomination: 50 cents
Currency Unit: Cent
Orientation: Medal alignment
Designer: Obverse: Raphael David Maklouf; Reverse: George Edward Kruger-Gray, Horst Hahne
Reference: KM# 139
Diameter: 31.5 mm