Indicia info from a DCM scan (http://digitalcomicmuseum.com/)
The reprint lists Manny Stallman as doing the full art for this story, not just the pencils, corroborated by the Who's Who, which has Stallman doing full art of the Black Cat Mystery book. Thus the Giunta ? inking credit has been removed by Craig Delich 2013-4-21. This story was reprinted in a very special limited edition large booklet prepared for the London Super Comic Convention for 2013 by PS Artbooks, along with many covers and full comic stories and short comic featurettes from the early 1950's.