Batman #139 is one in our series of undervalued comic books

Happy new year! Here's a little gift for you.

A new series of articles on Sell My Comic Books focuses on books we believe to be under-valued in today's market.

We give data to back up our arguments, including CGC census numbers and recent sales. Some examples are below:

Dell Giant #48 -- First Flintstones Comic Book Appearance

Casper #1 (1949, St John), 1st appearance in comic books

Brave and the Bold #25, first appearance of the Suicide Squad

To see the full series of articles, click the link below.