The X-Men 1963 #10 - 3.5 - $250.00

• First app: Ka-Zar (In the silver age), Zabu, Savage Land

Even though he is not a mutant, Xavier allows the X-Men to travel to Antarctica and enter the Savage Land to investigate the noble savage, Ka-Zar. They end up having to save Jean and Warren from being sacrificed by the savage Swamp Men.

On-sale date from 1965 Periodicals, Copyright Office, Library of Congress.

• Introducing: Ka-Zar, Lord of the Jungle! - Sources for letters credits are The Marvel Comics Index (Olshevsky 1981), The Official Marvel Index to the X-Men (Olshevsky 1987), The Official Marvel Index to the X-Men (Ward 1994), and Official Index to the Marvel Universe (Vandal et al. 2009). Particularization of letters credits is from The Official Marvel Index to the X-Men (1987).
• - Inside front cover. Ad for a body-building program.
• The Coming of... Ka-Zar! - Introduction of Ka-Zar in the Silver Age. It is noted that Ka-Zar is pronounced as Kay-Sar.
• - Ad for the Fantastic Four and Amazing Spider-Man. The ad is located between page 4 of "The Coming of... Ka-Zar!" feature and the "This free book shows how you can make big money as an auto mechanic" ad.
• - Ad for the book, "Make Big Money in Auto Mechanics." The ad page is located between the "Two more triumphs for Marvel..!" ad and page 5 of "The Coming of... Ka-Zar!" feature.
• - Ad for the booklet, "How to Finish High School at Home." The ad is located between pages 8 and 9 of "The Coming of... Ka-Zar!" feature.
• - Ad for HO scale race car kits. The ad is located between pages 13 and 14 of the "The Coming of... Ka-Zar!" feature.
• - Ad for x-ray glasses. The ad is located between pages 13 and 14 of the "The Coming of... Ka-Zar!" feature.
• - Ad for "hair-raising" monsters. The ad is located between page 16 of "The Coming of... Ka-Zar!" feature and the "Shop by mail" ad.
• - The ad is located between page 16 of "The Coming of... Ka-Zar!" feature and the "Shop by mail" ad.
• - The ad is located between the page with "Grow 2 living monsters in your own room" and the "Look! Boys wanted to sell GRIT" ads and page 17 of "The Coming of... Ka-Zar!" feature. Ad for various mail order items including stamps.
• - The ad is located between page 20 of "The Coming of... Ka-Zar!" feature and the second "Two more triumphs for Marvel..!" ad.
• - Ad for Journey Into Mystery and Strange Tales.
• - Ad for membership to the Merry Marvel Marching Society.
• - Letters from: Barbara Hannah, Brian Yates, John Gunther, Philip Rizzo, Norman Penovich, Jack Wickman, Mike Murano, Judith Danwitt, and Jerry Zimler; The Mighty Marvel Checklist; Special Announcements Section.
• - Ad for lessons on hypnotizing.
• - Inside back cover. Ad for at-home lessons to learn how to be a radio-television service technician.
• - Back cover. Ad for a body-building program.