Marvel Gold. Las Historias Jamás Contadas de la Patrulla-X #1

This Spanish-language Marvel Gold hardcover collects rare and previously untold X-Men stories from the early days of the team, featuring classic adventures that were originally published in international markets or as backup features. The volume gathers material that expands on the original Stan Lee and Jack Kirby era, offering fans a deeper look at the mutant team's lesser-known exploits. It's a curated collection for completists and historians of the X-Men's Silver Age lore.