Sgt. Kirk #20 was published by Ivaldi Editore on February 1, 1969, as part of a series that began in 1967. Alberto Ongaro and Hugo Pratt write, and art comes from Jorge Moliterni. It features Corto Maltese, Captain Easy, Captain Rasputin, Sgt. Kirk and Cain Groovesnore, among 8 characters catalogued on VerseDB.