Coin Curiosity

Researching the history coins of the British Commonwealth

Home > 1981 20c struck on Scalloped Planchet

1981 20c struck on Scalloped Planchet

Posted on

In 1981, part of Australia's 20c mintage was struck by the Royal Mint, Llantrisant. Among the 50,000,000 20c pieces struck in Wales, a small number were struck on scalloped edged planchets.

In 1981 the Royal Mint, Llanstrisant was also striking coins for Hong Kong, including the Hong Kong $2 coin, which has a scalloped edge. No doubt a small number of Hong Kong $2 scalloped edged planchets were accidentally mixed in with Australian 20c planchets, leading to the striking of a small number of wrong planchet Australian 20c pieces. It is unknown how many were struck but a handful or more were released into circulation and were initially discovered in late 1982 (

1981 Australian 20c pieces with scalloped edges come up for sale rarely: an example listed for sale as lot 332 in Downies auction 316 in February 2014 and another example was listed at lot 72 in Noble auction 105 in March 2014.