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20 Cents 2016, Platypus [Australia]
Coins-Australia and Oceania
- Country: Australia
- Weight: 11.3 g
- Mintage: 5000000 pcs.
- Name: 50th Anniversary of Decimal Currency Changeover (Platypus)
- Metal: Cupronickel (Copper-Nickel)
- Composition: Cu-Ni
- Denomination: 20 cents
- Currency Unit: Cent
- Orientation: Medal alignment
- Designer: obverse: Ian Rank-Broadley, reverse: Stuart Leslie Devlin
- Reference: UC# 138
- Diameter: 28.5 mm
- Thickness: 2.5 mm
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