GREAT BRITAIN: 2018 Queen Elizabeth II Gold Proof Five Pound celebrating the 70th Birthday of HRH Prince of Wales - limited Edition Presentation just 50. OBVERSE: features Prince Charles bust facing right designed by Robert Elderton lettering: H.R.H THE PRINCE OF WALES. 70TH BIRTHDAY. Contains six stamps featuring photographs of HRH The Prince of Wales from the last decade. Reeded Edge.