Released in Gibraltar in 2007 to commemorate the diamond (60th) wedding anniversary of Queen Elizabeth II and Prince Philip.
 
*This coin has not entered general circulation in the UK*
 
Tower Mint produced First Day stamp covers, and some coins appear to have entered ciruculation in Gibraltar, despite government unauthorisation. 
 
Reverse: Raphael David Maklouf Queen Elizabeth Portrait
Obverse: Conjoined busts of Elizabeth and Philip, facing right
 
Coin taken from sealed pack, in good condition