Title is the name of a comic book series. Action Comics is a title. Within this title, there have been over 800 issues.

Issue is a single installment of a title, usually with its own number. Examples are Action Comics #23 or The Amazing Spider-Man #42. A volume number may also be included, such as Punisher Vol. 1 #23.

Grading is the term used to indicate the process of evaluating the condition and consequent value of a comic book. A detailed explanation of how to determine a comic book’s condition based on the established grades [2] is generally included in a comic book pricing guide. A copy that falls between grades may be noted with a + or a - symbol. These terms are as follows:

Grade Abbreviation

Mint MT or M
Near Mint NM
Very Fine VF
Fine FN
Very Good VG
Good GD or G
Fair FR
Poor PR