The Australian two cent piece was in circulation between the introduction of decimal currency in 1966 and the retirement of the one cent and two cent piece in February 1992. During these years two circulated types were issued, the first (1966 - 1984) featured the Arnold Machin portrait of HM Queen Elizabeth II and the second (1985 - 1991) featured the Raphael Maklouf portrait. A number of additional uncirculated pieces have been issued in these types as part of the Masterpieces in Silver collection. A third type featuring the new Ian Rank-Broadley portrait was issued in 2006, 2010 and 2011 as part of various special non-circulating sets. In 2012 a miniaturised (11.15mm) gold variety was struck with the Ian Rank-Broadley portrait as part of a gold miniature set. Throughout all of these types the reverse has remained the same Stuart Devlin frilled neck lizard design. Devlin's initials can be found below the body of the lizard on all issues except for a number of 1967, 1968 and 1981 (Sans SD) pieces.