Discussion with photos of grading a standard strike Australian predecimal silver 1928 florin in 'uncirculated' condition.
An overview of some research establishing how much coins wear down during circulation; how this helps to authenticate genuine rare coins, eg 1932 Aus florins
Consideration of a 1737 Mexico mint pillar dollar with certificate of authenticity from the VOC Rooswijk
Considering the realities of 19th century colonial coinage generally and the possibility of 1820-22 silver anchor money coins getting from the West Indies to Australia
Things to consider when hunting for very high grade Australian QEII predecimal silver florins - a story with plenty of photos (includes a pcgs MS64 coin)