This issue is a variant of Captain America (Marvel, 1968 series) #209 [Regular Edition]. There exist further variants.
Verpoorten and Crespi credits per Nick Caputo, August 2012. Marvel Comics Index #8A lists Frank Giacoia as inker and Gaspar Saladino as letterer.
Giacoia inks on story pages 1-3,5,8,15-16; remainder inked by John Verpoorten. Info per Nick Caputo, August 2012.
Letters from readers Bob Fitschen, Charlie Cockett, Mitch Paul, Keith Floyd, Don Jacobson, and Robert Konior.