Justice League of America #42

DC ComicsJustice League of America Vol. 1

Justice League of America

Writer

Gardner Fox

Interior Artist

Mike Sekowsky

Cover Artist

Mike Sekowsky / Murphy Anderson

Publication Date

February 1966

Cover Variant

Regular/Direct Edition

Printing

First Printing

Comic Description

In 'The Metamorpho Invasion!', the Justice League invites Metamorpho (Rex Mason) to join the team, but he refuses. The story involves the Unimaginable, a powerful entity that threatens the League, leading to a complex battle where Metamorpho's unique powers are central to the conflict.

Condition & Value

Condition Grade

Very Good/Fine (CGC 5.0)

Condition Details

Visible moderate spine stress with color breaking ticks, corner blunting on the top and bottom left, minor edge wear/chipping along the left margin, slight cover tanning, and a small crease on the bottom right corner.

Estimated Market Value

Raw: $30 - $50; Graded 5.0: $75 - $100

Recent Sales

Recent sales for mid-grade raw copies have ranged from $25 to $45. High-grade (CGC 9.0+) copies fetch over $250.

Grading Recommendation

Not recommended for professional grading given the current market value at this estimated grade level; grading costs would likely exceed the value increase. Better kept in a high-quality Mylar bag with board.

Notable Features

Includes appearances by Superman, Batman, Green Lantern, The Flash, and Metamorpho. Features the iconic 'Metamorpho Says NO!' cover headline. Silver Age DC title with the 12-cent cover price.

Authentication Notes

Authentic silver age printing; exhibits correct 12-cent price point, DC National Comics logo, and period-accurate paper oxidation and staple placement.

Scanned on 5/29/2026
Justice League of America #42 - DC Comics | Comic Book Scanner