From "Sub-Mariner! Joins the Evil Mutants" in The X-Men #6, July 1964. Stan Lee script, Jack Kirby pencils, Chic Stone inks, Stan Goldberg (?) colors, Sam Rosen letters. Photoshop color reduction.
~~~~~~~~~ The original 16" x 6.75" watercolor art for today's new A* page is up for auction on eBay. : )