Topic hub
Copper Age Key Issues
The Copper Age (roughly 1984 to 1991) sits between the Bronze and Modern ages and holds a dense run of first appearances and speculator-era keys. High print runs make raw copies common, so value concentrates in verified high-grade census copies of the genuine keys.
The Copper Age packs a lot of firsts into a short window. This hub gathers the cataloged Copper Age keys with era and first-appearance context, and flags why grade does the heavy lifting on books that were printed in large quantities.

Amazing Spider-Man #252
Marvel · 1984
1st: Spider-Man black costume in title
CGC 9 median $975 · 6 sold

Amazing Spider-Man #300
Marvel · 1988
1st: Venom (full)
CGC 9 median $787 · 6 sold

Batman #404
DC · 1987
1st: Batman: Year One begins
CGC 9 median $160 · 6 sold

Batman: The Killing Joke
DC · 1988
1st: Landmark Joker graphic novel
CGC 9 median $184 · 6 sold

Incredible Hulk #340
Marvel · 1988
1st: McFarlane Hulk vs Wolverine cover
CGC 9 median $800 · 6 sold

Marvel Super Heroes Secret Wars #8
Marvel · 1984
1st: Origin of Spider-Man black costume
CGC 9 median $418 · 6 sold

New Mutants #87
Marvel · 1990
1st: Cable (full)
CGC 9 median $83 · 6 sold

New Mutants #98
Marvel · 1991
1st: Deadpool, Gideon, and Copycat
CGC 9 median $398 · 6 sold

Saga of the Swamp Thing #21
DC · 1984
1st: Anatomy Lesson
CGC 9 median $183 · 6 sold

Saga of the Swamp Thing #37
DC · 1985
1st: John Constantine
CGC 9 median $452 · 6 sold

Teenage Mutant Ninja Turtles #1
Mirage · 1984
1st: TMNT
CGC 7.5 median $11,150 · 6 sold

Thor #337
Marvel · 1983
1st: Beta Ray Bill
CGC 9 median $233 · 6 sold

V for Vendetta #1
DC · 1988
1st: DC series debut
CGC 9 median $164 · 6 sold

Watchmen #1
DC · 1986
1st: Watchmen ensemble
CGC 9 median $167 · 6 sold

X-Force #1
Marvel · 1991
1st: X-Force team
CGC 8.5 median $53 · 4 sold

Batman #423
DC · 1988
1st: Iconic Todd McFarlane cover
CGC 9 median $599 · 6 sold
Copper Age Key Issues: FAQ
When was the Copper Age of comics?+
The Copper Age runs roughly from 1984 to 1991, bridging the Bronze Age and the Modern Age. It is known for a wave of first appearances and the beginnings of the speculator market, which means high print runs and a premium on high-grade copies.