Indicia reads: THE AMERICAN AIR FORCES No. 9 (A-1 No. 67). Published by Magazine Enterprises, copyrighted by Magazine Enterprises.
Reference to "No. 67" in the indicia is a typo, this is actually issue #69 per the copyright office.
The date entered in the "On Sale Date" field is the copyright date derived from the actual Library of Congress copyright documentation (available on www.archive.org).
See The American Air Forces (Magazine Enterprises, 1951 series) #9.