The Type I one cent was issued from 1966 until the end of the one cent series in 1991. In 2006 an additional silver-proof issue was released as part of the Masterpieces in Silver collection. The series features the Arnold
Machin portrait of her majesty Queen Elizabeth II on the obverse, with
the Stuart Devlin feather-tail glider design on the reverse. Devlin's initials can be found below the tip of marsupials tail.
In 1966 the one cent piece was was minted in Melbourne, Perth and Canberra. To distinguish the mint of manufacture one
must look closely at the left-most whiskers of the featherglider (the right side of the coin). If the left-most whisker is
blunted then the coin was minted in Melbourne. If the second from the left most whisker is blunted then the coin was minted
in Perth. If neither was blunted then the coin was minted in Canberra. These mint-marks are illustrated below. In addition
to these three business strike variations, an unknown number of 1966
one cent pieces were struck at the London Mint.
No blunted whiskers indicate that the 1966 One Cent was minted in Canberra.
Left most whisker (right of the coin) being blunted indicates that the 1966 One Cent was minted in Melbourne.
Second from left (right of coin) blunted whisker indicates that the 1966 One Cent was minted in Perth.
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