Description obverse

ELIZABETH II D G REG F D 2010 100 POUNDS around the effigy of Elizabeth II facing right. Below the shoulder the initials of the engraver.

Description reverse

NEPTUNE CITIUS around the depiction of the ancient god neptune, changing the winds for unfortunate sailing ships. Below LONDON 2012

Remarks

The coin was issued in 2010 for the Olympic Games in London in 2012, it is part of the so called "faster-trio"