Robert Kirkman Signed Firsts: A Reference

Robert Kirkman (born 1978) is the most commercially successful creator-owned comics writer in history. The Walking Dead (2003–2019) became a global television phenomenon, and Invincible (2003–2018) followed with its own acclaimed Amazon Prime animated series. Kirkman is an Image Comics partner and has been a generous signer.

Key Titles

• The Walking Dead (2003–2019) — Image. 193 issues. With Tony Moore (#1–6) and Charlie Adlard (#7–193).
• Invincible (2003–2018) — Image. 144 issues. With Cory Walker and Ryan Ottley.
• Outcast (2014–2021) — Image.
• Oblivion Song (2018–2022) — Image.
• Fire Power (2020–present) — Image.

Signed Copy Market Values

• Signed Walking Dead #1 (first printing): $2,000–$8,000
• Signed Invincible #1: $500–$2,000
• Signed collected volumes: $15–$40

Walking Dead #1 first printing is one of the most valuable modern comics. Kirkman’s generous signing schedule means signatures are readily available — the value is in the underlying issue rarity.