The market for comics as a valuable collector's item is full of near ... perhaps from the early '80s. But the factors that ...

If you had any of the Marvel Comics-inspired ... published on mentalfloss.com as 15 of the Most Valuable G.I. Joe Collectibles From the ‘80s.

For an 80-year-old ... covers - none of which would ever be rare. Marvel Entertainment X-Men issue 1, released in 1991, is the biggest selling comic of all time Chris adds that Marvel had also ...