Same Story, Different Cover: Mermaids are attacking! Duck!

Left: Uncle Scrooge #68 (March 1967), pencils and inks by Carl Barks
Middle: Uncle Scrooge #274 (January 1993), layouts by Bob Foster, pencils by Phil Ortiz, inks by Dave Hunt
Right: Walt Disney's Uncle Scrooge Adventures in Color #54 (September 1998), pencils and inks by Carl Barks, designed by Bruce Hamilton from a Barks interior panel

(Click picture to gandersize)