The very first artwork on the moon is a crudely-drawn cock by Andy Warhol.
Warhol's cock is tiny.

P.S. It's glassy too, apparently, from 2012. But meh...
(, Tue 4 Oct 2016, 21:32, Reply)
What is society in the absence of rule?
(, Wed 5 Oct 2016, 4:06, Reply)