grailworth
Cover of Thor (1966) #427

Thor (1966) #427

Marvel 1966–1996 series Vol. 1 Cover date Dec 1990

What's it worth?

See fair market value at every grade, raw and CGC, with value history and the grading break-even.

Start your 7-day free trial

Already a member?

Key issues are always free. See the key wall.

About this issue

Thor #427 (1966) is issue #427 of Marvel's Thor (1966–1996), with a cover date of December 1990. grailworth values it from 10 recorded sales, most recently on Aug 30, 2026, and from how comics like it move in value from grade to grade.

Key issues in Thor (1966)