The product is a vintage Iron Man comic book #55 from 1973, graded 8.0 Very Fine by Certified Guaranty Company (CGC). This particular issue is notable for being the first appearance of the character Thanos, adding to its value as a key issue. Published by Marvel in the Bronze Age era, this English language comic book is a must-have for collectors of US Comics. The certification number 4054795001 ensures the authenticity and condition of this iconic piece of comic book history.