Cover is a production job of Eternity and Strange figures superimposed over photo of New York City. Possible Trimpe art on Dr. Strange per Nick Caputo. Previous indexer credited Gene Colan on pencils and Tom Palmer on inks.
Eternity is taken from page 5 of Strange Tales #146 (July 1966). Info per John Bacon, August 6, 2008 and Richard Hedge, April 2006.