Coin Curiosity

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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 (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)