Indicia publisher unconfirmed but very likely based on Keltner's listing for Punch Comics, which has proven accurate so far and matches month-by-month with Dynamic Comics. Keltner's indicia publisher listing for Dynamic Comics, however, is incorrect in several places.
Originally credited "Ruben Moreira ?". When comparing the close up faces of the villain with his big teeth, with the art sample of Sultan on Who's Who, it must be him on this story. Sultan is credited on "Mr. E" (reprint from 1941) by Jerry Bails' Who's Who. Not always easy to keep these two artists apart at this period.
Art credit from JVJ index card attached to scanned version online.
Art ID from JVJ card attached to online scanned version.
Art ID from JVJ index card attached to online scanned version.
JVJ index card attached to online scanned copy suggests Craig Fox for art.
JVJ index card attached to online scanned copy suggests Cavallo and Plastino for art.