Art revision from C. C. Beck (pencils) and Pete Costanza (inks) to Harford per P. C. Hamerlinck in Alter Ego #1349 (May, 2016) and added by Craig Delich. Article states that the original cover artwork was discovered in the Harford home by his two son's after his passing.
Art revision from C. C. Beck to Harford per P. C. Hamerlinck in Alter Ego #139 (May, 2016), verified by Marc Swayze, and added by Craig Delich.
Title from contents page.
Originally credited to Clem Weisbecker. The eyes with high arched upper lid and some short lines below the outer corners, and sometimes hands with lines between fingers that don't go all the way down, page 2, 4 and 5. All good signs of Anderson, who is credited on this feature by Jerry Bails' Who's Who. He had many Nyoka, Red Gaucho and also Mr. Scarlet stories. Compare faces with his credited Red Gaucho in Master Comics #8-11.
Part 13 of Golden Flask Quest; contents page title