Defiant cat riding a horse
This amusing illustration is from a French copy of Reynard the Fox. It shows the scene where Reynart and Tybert the Cat are racing each other. The latter seems to be winning and is sticking out his tongue to spite the fox. What makes the scene even more hilarious is the pointing hand to the left of this scene, drawing attention to it. It appears out of nowhere, through a hole in the parchment. It seems to hurry the animals along.
Pic: Paris, BnF, Fr. MS 12584. Check out the entire manuscript, with more images, here.