grailworth
Cover of Codename: Knockout (2001) #21

Codename: Knockout (2001) #21

DC 2001–2003 series Cover date Apr 2003

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

Codename: Knockout #21 (2001) is issue #21 of DC's Codename: Knockout (2001–2003), with a cover date of April 2003. grailworth values it from 1 recorded sale, most recently on May 14, 2026, and from how comics like it move in value from grade to grade.