On-sale date from Marvel Age #3, notes a one month delay from 1983-03-15 shipping date.
This issue is a variant of Red Sonja (Marvel, 1983 series) #1 [Direct].
There exist further variants:
Art credits per Walt Simonson on Twitter and confirmed by Larry Hama on Facebook. Pencils previously attributed here and elsewhere to Jerry Cocchiola, a former Marvel intern.