Conversation so far:
What was one of Hans Holbein the Younger's designs?
Hans Holbein's mural for the Hertenstein House in Lucerne is known only through his designs.
What was one of the murals Hans Holbein the Younger worked on?
Hans Holbein's Basel Council Chamber murals survive in a few poorly preserved fragments.
What were some smaller objects Hans Holbein the Younger worked on?
Hans Holbein's small painting for private devotion, Noli Me Tangere, has been taken as an expression of his personal religion.
Was there a well known piece of jewellery Hans Holbein the Younger worked on?
Hans Holbein designed a cup engraved with Anne Boleyn's device of a falcon standing on roses, as well as jewelry and books connected to her.
Was there something distinctive about Hans Holbein the Younger's designs?
Hans Holbein's portrait style, for example, remained distinct from the more sensuous technique of Titian, and from the Mannerism of William Scrots, Holbein's successor as King's Painter.
Is any of Hans Holbein the Younger's work still on display?
Hans Holbein's work is on display at the British Museum.

Question: What was one of his first designs?
Self-contained rewrite: What was one of Hans Holbein the Younger's first designs?