This issue has variants.
A Herb Trimpe alternate cover for this issue is printed in Ghost Rider #50. Palmer cover inker credit provided 2006 by Nick Caputo. The Marvel Comics Index (Olshevsky 1981) and Official Index to the Marvel Universe (Jensen et al. 2011) credit Klaus Janson with inks and Gaspar Saladino with letttering.
GS: Phantom Eagle (as a ghost; D in fb); I: Mr. and Mrs. Kaufmann (D; in fb; Phantom Eagle's parents); V: Hermann Von Reitberger (I, D)