This is a list of known (or rumoured) upset decimal coins which is being maintained by an Australian Coin Forum member. If you’re wondering what an upset coin is then you should take a look at this article on the Australian Coin Collecting Blog.

$2 1995 (Unconfirmed)

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$1 1985 MoR (Confirmed)
$1 1996 Parkes @ 320°, 330°, 340° (Confirmed)
$1 1999 International Year of the Older Person @ Various (Confirmed)
$1 2001 COF Various degrees (Confirmed)
$1 2002 Outback @ 30° (Unconfirmed)
$1 2005 MoR @ approx 23° (Confirmed)
$1 2006 MoR @ 16° (Confirmed)

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50c 2010 @ 30° (Confirmed)

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20¢ 2000 @ 30° (Confirmed)
20¢ 2001 Various degrees (Confirmed)
20¢ 2004 (Unconfirmed)

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10¢ 1966 Various degrees – under 45° or over 315° (Confirmed)

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5c 1996 @ 30° (Confirmed)

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2¢ 1966 @ 330° (Unconfirmed)
2c 1968 @ 10 o’clock (Confirmed)
2c 1982 @ 10 o’clock (Confirmed)

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1c 1968 (Unconfirmed)