On-sale date from ad in Strange Adventures #173 and copyright registration.
Inside front cover.
Writer verified by Martin O'Hearn.
Statement of October 1, 1964
No circulation information given.
Owners: National Periodical Publications, Inc., Harry Donenfeld, J.S. Liebowitz; P.H. Sampliner, Irwin Donenfeld, S.U. Sampliner, and Sonia Iger, all at 575 Lexington Avenue, New York, N.Y.