Anamorphosis before 1583. "The Ambassadors" (c. 1533) by Hans Holbein the Younger is well known for the prominent oblique anamorphic transformation in the painting. In this artwork, a distorted shape lies diagonally across the bottom of the frame. Viewing this from an acute angle transforms it into the plastic image of a human skull. The painting is regarded as a "vanitas" - a meditation on the transience of life - with the skull a symbolic "memento mori". The altered perspective required to see the image reflects the contemporary practice of painting skulls on the reverse of otherwise tranquil paintings. Four centuries
Hans Holbein the Younger that another artist's drawing of Christina was "sloberid" (slobbered) compared to Holbein's. In Wilson's view, Holbein's subsequent oil portrait is "the loveliest painting of a woman that he ever executed, which is to say that it is one of the finest female portraits ever painted". The same year, Holbein and Hoby went to France to paint Louise of Guise and Anna of Lorraine for Henry VIII. Neither portrait of these cousins has survived. Holbein found time to visit Basel, where he was fêted by the authorities and granted a pension. On the way back to England, he apprenticed his son