The X-Men 1963 #16 - 6.5 - $300.00

With the X-Men captured, Xavier heads back to investigate a fallen Sentinel to try and figure out what stopped it. The X-Men escape and battle the Sentinels but it is the timely intervention of Professor X and the self sacrifice of Dr. Trask that stops Master Mold and saves the day.

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

• Another Mighty Marvel Hot-Line Report Featuring Earth-Shaking Items of Monumental Inconsequence! - Items; list of 25 M.M.M.S. members; The Mighty Marvel Checklist; order blank for M.M.M.S.
• - Letters from: Alex Nicholson, John Hargreaves, Don Harrison, Hugo Harper, Tommy Howlin, Larry Brinning, Larry Boyle, Michael Arden Jr., Peter Cadwell, and Louis Rollins; four images from earlier issues; next issue blurb.