Description:
Obverse
2nd portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara
Reverse
Frill-necked Lizard (Chlamydosaurus kingii), also known as the Frilled Dragon, endemic to Australia and south New Guinea.
NOTE: the 1966 issue comes from three different mints, the coins are distinguishable by tiny differences at the claws of the lizard:
Perth mint: the first finger at the left hand (from viewer's point of view) has a blunted claw
Melbourne mint: the second finger at the right hand has a blunted claw
Canberra mint: both fingers have claws
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