X-Men #271 from Marvel Comics, published December 1990, priced at $1.00 US. This issue is Part 4 of the X-Tinction Agenda crossover event, one of the most celebrated X-Men storylines of the early 1990s. The cover is illustrated and signed by Jim Lee and Williams, featuring a dynamic action scene with Wolverine and other mutant characters battling what appears to be a Warlock-related techno-organic threat, along with Storm and Cyclops visible in the foreground. The comic carries the Comics Code Authority stamp and was approved by the authority. Jim Lee's artwork on this era of X-Men is highly sought after by collectors, making this issue a desirable piece from a landmark crossover event. A Spider-Man head icon appears in the lower left corner, typical of Marvel's corner box branding of the period.