Notes:
Indicia title is "THE MARK OF ZORRO, No. 228." Code number is M.Z.O.S. #228-495. Copyright 1949 by Grosset & Dunlap. Some copies of this issue were given away as premiums with subscriptions to Dell's The Lone Ranger comic in late 1949-early 1950. See subscription ad in Lone Ranger, The (Dell, 1948 series) #20 (February 1950). March 29, 1949 on-sale date as per page 184 Catalog of Copyright Entries 1949 Pamphlets, Serials Etc. Jan-Dec 3D Ser Vol 3 Pt 1B.