
Obverse: | Queen Elizabeth II - Design by Arnold Machin.
Legend: ELIZABETH. II. AUSTRALIA 1984 |
Reverse: | Platypus - Design by Stuart Devlin. |
| Edge: | Reeded - continuous mill. |
| Weight: | 11.31 grams (174.6 grains). |
| Size: | 28.52 mm (diameter). |
| Composition: | 75% Copper, 25% Nickel |
| Mintage: | Circulation: 27,820,000 - Canberra. |
| Mintmarks: | None. |
Valuation : 1984 TWENTY CENTS
| Extra Fine | Almost Uncirc. | Brilliant Uncirc. | Proof | Mint Roll |
| 2002 | 3 | | 25 | | 300 |
Notes:
This coin was included as part of a 6 coin proof set and a 6 coin mint set released by the Canberra mint.
In 1990, with a continuing lack of demand for circulating coinage, almost the entire mintage of 1984 20 cent coins were melted and exported as base metal cupro-nickel bars. Only a single box of 50 mint rolls (1,000 coins) is known to have been released.
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