Uncanny X-Men (1963 1st Series) Mark Jewelers 93MJ

Mark Jeweler Advertisement Insert Variant. Reprints: "When Mutants Clash!" (from Uncanny X-Men 45). Script by Gary Friedrich, breakdowns by Don Heck, pencils by Werner Roth, inks by John Tartaglione. Also in this issue: "The Mechanical Man!" (from Journey into Mystery 74). Script by Stan Lee, art by Steve Ditko. Cover price $0.25.