“The first of April, some do say,
Is set apart for All Fools’ Day.
But why the people call it so,
Nor I, nor they themselves do know.
But on this day are people sent
On purpose for pure merriment.”
This is from the “Poor Robin’s Almanac” of 1790
The image is “A Jester: Russian People. 1994” by Sergei Kirillov.
He is a fascinating modern Russian artist – you can find out more about him here http://allrus.me/russian-artist-sergey-kirillov/