Todd McFarlane's Spawn (HBO, c. 1997-99). 
From the neo-noir superhero horror series Todd McFarlane's Spawn, this is an original production drawing featuring the villainous Clown, the disguised form of the demon Violator.
This is a one-of-a-kind piece that was used in the making of the SPAWN animated series. The drawing bears an official HBO seal, and is accompanied with a certificate of authenticity. This drawing was rendered in graphite pencil on 12 field 3-peghole animation paper, measuring 10.5 inches by 9.5 inches wide.

Todd McFarlane's Spawn, also known as Spawn: The Animated Series or simply Spawn, is an American adult animated superhero television series that aired on HBO from 1997 through 1999. It has also been released on DVD as a film series. The show is based on the character Spawn from Image Comics, and won an Emmy Award in 1999 for Outstanding Animation Program (Longer Than One Hour).