Ghostbusters by Dan Mumford x/50 Screen Print Movie Art Poster 12″ x 12″. 4-color screenprint on white paper Size: 12″ x 12″ Signed and numbered Limited edition of 50 Excellent condition! Add to Favorite Sellers. Ghostbusters by Dan Mumford x/50 Screen Print Movie Art Poster 12″ x 12″. 4-color Screenprint on White Paper, 12″ x 12″.