Published November, 1965 (Silver Age) by Marvel Comics and went on sale in 1965 for $0.12 USD. This issue contains 32 pages in Color, the current NM value is $800.00 USD.
UPC: ISBN-10: ISBN-13:
This is the first appearance of The Sentinels. I think it's another stellar Lee/Kirby issue for the X-Men. Really good storytelling and artwork. Also, after this issue is when this title goes monthly. (at least for awhile...)