An untidy history of artists' representations of themselves in pretty much any form you can think of (painting & sculpture, poetry & prose, photo & film…) — updated every third day and open for suggestions.
The artist tricks you.
by Self-Portrait of the Artist
The artist’s position in Artemisia Gentileschi‘s Self-portrait as an allegory of painting (1638-39) is highly uncommon for a right-handed person. If you try to reenact it in a mirror you will see what I mean.