Possible Ploog inks per Nick Caputo. August 2012. Per an examination of the original art, Giacoia redrew the witch figure.
Ralph Reese confirms that he inked the first two pages and may have inked parts of page 3, on Facebook on 15 February 2017 (https://www.facebook.com/photo.php?fbid=1287109234709107&set=p.12871092347…). This information also appeared in The Brunner Mystique.
First page notes: "Featuring concepts created by Robert E. Howard"