50p Queen Elizabeth II, christened 1 May 1926, is watched by her mother Queen Elizabeth, then the Duchess of York. (Photo by Popperfoto/Getty Images).
55p The Prince Philip, Duke of Edinburgh standing behind Princess Elizabeth who is holding Prince Charles after his christening ceremony at Buckingham Palace, London on 15 December 1948. (Photo by Fox Photos/Getty Images).
60p The Royal Family gather for Prince William's christening 4 August 1982. The Queen Mother, holding Prince William, laughs with Prince Charles and The Queen. (Photo by: PA/PA Archive/Press Association Images).
£1.60p The official portrait for the christening of Prince George Alexander Louis of Cambridge, photographed in The Morning Room at Clarence House in London on 23 October 2013. Pictured: HRH Duke of Cambridge and HRH Duchess of Cambridge with their son HRH Prince George. Prince George is wearing an outfit made of delicate Honiton lace and white satin by Angela Kelly, an exact replica of the one worn before him by every baby born to the British Royal family since 1841. (Photo by CAMERA PRESS/Jason Bell/CAMERA PRESS).
FDC Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge talk to Queen Elizabeth II (not pictured) as they arrive, holding their son Prince George, at Chapel Royal in St James's Palace, ahead of the christening of the three month-old Prince George of Cambridge by the Archbishop of Canterbury on 23 October 2013. (Photo by John Stillwell - WPA Pool /Getty Images).
Release date: 21 May 2014