Australian Decimal Upsets
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A number of Australian decimal upsets are known, with some well-known examples. There are no doubt others: many more upsets have been reported but not confirmed.
1c
- 1966 Melbourne
5c
- 1966 London (very rare)
- 1996
10c
- 1966
20c
- 2001 Platypus (scarce)
50c
- 2010 Coat of Arms (scarce - rotated 30 degrees)
$1
- 1996 (rare)
- 2001 Centenary of Federation (scarce - all orientations)
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