Mondadori
I Grandi Classici Disney #[1]
published June 1980
as Topolino contro Macchia Nera e Mr. X [Story on Interior Page(s)]
Confirm: direction of reprint
I grandi classici Disney #49
published December 1990
as Topolino contro Macchia Nera e Mr. X [Story on Interior Page(s)]
Confirm: direction of reprint