Indicia title is "Yak Yak, No. 1348." No code number. Copyright 1962 by Western Printing & Lithographing Co.
No month is given on the cover or in the indicia. Based on the copyright dates of this issue and others in the series released around the same time, one can determine that this issue was published with other Four Color issues bearing a "March-May 1962" cover date.
On sale date is Library of Congress copyright record publication date.