Wrap-around cover. Letters credit from http://kleinletters.com/.
Discussion of how the Spectre series in "Adventure Comics" came to be produced, including comments by Aparo, Orlando, Levitz, and Fleischer.
"The Wrath of the Spectre: The Complete Controversial Saga by Michael Fleisher & Jim Aparo" book, issued in 2005, lists Jim Aparo as the letterer.