G'Day all this is my first try at posting a coin here so bare with me,
The 200 years of postal service coin is to celebrate the Australian post and the first post master Isaac Nichols (post master from 1809 to 1819),the coins reverse depicts a colored representation of Isaac Nichols from an art work by R.Shackel also around the boader is the heading for this thread.
The obverse depicts the Ian Rank-Broadley effigy of Queen Elizabeth II and the year.
This coin is a Perth mint proof with 1 oz of 99.9 silver and 7500 mintage.
The reverse first
The obverse
hope you like oh and as Muckeye said on another site the color is brighter than this photo shows