Cover code: 10137-501. Indicia: "PETER POTAMUS, No. 1. Published by K.K. Publications, Inc., Poughkeepsie, New York, in cooperation with Golden Press, Inc. All rights reserved throughout the world. Authorized edition. Designed, produced and printed in the U.S.A. by Western Printing & Lithographing Co. Copyright © 1964, by Hanna-Barbera Productions, Inc."