This issue has variants.
Blank inside front and back covers. Code is K.K.G.A. #166-6410.
Gaylord Du Bois script credit as per page 42, Gaylord Du Bois's Account Books, Sorted by Title, compiled from the original account books by Randall W. Scott. Script identification by David Porta (September 2013). Account Books entry states: "Poachers' Safari (Lassie). 42 units. For March of Comics. Sent February 21, 1964." (3 panels per page, times 14 pages, equals 42 panels.)