Princess Elizabeth at the age of 8 appears on the $20 banknote, the portrait based on a Marcus Adams photograph from 1934 for which an engraving was created by master engraver Edwin Gunn of ABN. The portrait of Prince Albert, Duke of York wearing an admiral's uniform on the $50 banknote was based on a photograph taken by Bertram Park, for which an engraving was made by Robert Savage of ABN. It was subsequently used on six of the banknotes of the 1937 Series. The $100 banknote includes a portrait of Prince Henry, Duke of Gloucester wearing the captain's uniform of the 10th Royal Hussars based on a photograph by Vandyke for which Ford created an engraving.