See verified sales, price movement, and historical market activity for Detective Comics #42 CGC 8.5.
Sign Up FreeSee active listings for Detective Comics #42 CGC 8.5 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 8.0.
Sign Up FreeSee active listings for Detective Comics #42 CGC 8.0 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 7.5.
Sign Up FreeSee active listings for Detective Comics #42 CGC 7.5 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 7.0.
Sign Up FreeSee active listings for Detective Comics #42 CGC 7.0 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 6.5.
Sign Up FreeSee active listings for Detective Comics #42 CGC 6.5 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 6.0.
Sign Up FreeSee active listings for Detective Comics #42 CGC 6.0 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 5.0.
Sign Up FreeSee active listings for Detective Comics #42 CGC 5.0 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 3.5.
Sign Up FreeSee active listings for Detective Comics #42 CGC 3.5 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 3.0.
Sign Up FreeSee active listings for Detective Comics #42 CGC 3.0 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 2.5.
Sign Up FreeSee active listings for Detective Comics #42 CGC 2.5 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeSee verified sales, price movement, and historical market activity for Detective Comics #42 CGC 1.5.
Sign Up FreeSee active listings for Detective Comics #42 CGC 1.5 and compare asking prices against Underval’s fair value estimate.
Sign Up FreeCreate a free Underval account to compare grades, track value changes, and find comics listed below fair value.
Compare Every CGC Grade for FreeThe last recorded sale was a CGC 5.0 for $2,750 on 03/15/2026 at eBay.
The highest recorded sale was a CGC 8.5 for $8,963 on 11/18/2017 at Heritage Auctions [1].
The lowest recorded sale was a CGC 2.5 for $263 on 08/23/2009 at Heritage Auctions [1].
A CGC 8.5 shows the highest inflation-adjusted growth at 12.9% over 2012–2017 (5 years).
Average days to sell vary by grade (~every 674–3692 days by grade), ranging from CGC 5.0 every 674 days to CGC 7.0 every 3692 days.
Search Detective Comics #42 and other comics to explore grade-level values, recent sales, and market activity.
Compare fair value, recent sales, growth, liquidity, and long-term performance across the tracked grades for Detective Comics #42.
Find listings for Detective Comics #42 and other comics, then quickly compare asking prices against Underval’s estimated fair values.
Join hundreds of collectors already using Underval!
Legal Disclaimer
Underval is a platform designed to provide information about the
potential value of comic books based on data analysis. We do not provide investment advice, and any information
provided on our platform is for informational purposes only. While we strive to offer accurate and reliable
data,
the decision to purchase any comic book should be based on your own research and judgment. Underval does not
guarantee the accuracy, completeness, or reliability of any information provided, and we shall not be held
liable
for any actions taken based on the content available on our platform. By using Underval, you acknowledge and
agree
to these terms.