Many old comic books have been popular since its inception and continue to maintain its popularity in the present times. In fact they can be valuable in term of the money they can fetch in the market. Comic books that are valuable continue to be in demand even in the present times. Apart from this they have to be in a good shape and condition to fetch a good price. Comic books which feature popular characters are bound to be more valuable than those having minor characters. Old comic book characters such as Batman, Superman, Phantom, Mandrake the magician, Spiderman, X-men among others are sure to be always a hit with collectors. Comic books are meant fro reading so it follows that the criterion which makes comic books valuable is not their antiquity but the high level of readership which has survived for decades.
First appearances refer to the first issue featuring the fictional character in a story or comic book. In fact the monetary value of comic books featuring the first appearance of popular fictional characters is quite high and considered valuable. For instance, the first issue of the Action Comics was published in 1938 in the month of June and considered the first appearance of Superman. Its approximate value was estimated to be around $440,000 USD in 2006.
The old comic books are rated and considered valuable provided it is in proper condition and free from any signs of abuse such as tears, pen marks or yellowing. If the old comic is in Mint condition than it is more valuable as that is the top most rating in grading the condition of a book or item. Regardless of the age or first appearance of the character, the condition of the old comic book important to determine its value.
Usually old comics are better and more valuable, in fact the older it is, the better. The old comic books dating back to the 1930s till the 1960s (Golden Age) are considered valuable. It was during this period that popular fictional characters of Batman, Superman and Wonder woman made their debut. Old comic books are valuable and if you want to get an estimate of the price your old comic book can fetch, you can check out a price guide for comic books such as The Overstreet Comic Book Price Guide. Another way is to check internet sites such as ebay auctions, Comicbookclassifieds.com, Mycomicshop.com where you could get an idea of the value of your old comic book.
The first issue of the Action Comics# 1 was published in 1938 in the month of June and considered the first appearance of Superman. Its approximate value is estimated to be around $440,000 USD in mint condition, as rated in 2009. Detective comics#27 featuring the first appearance of Batman in May 1939 is valued to be around $375,000USD, in mint condition. The previous issue is not considered that valuable and in fact is worth only $5,000. The Green Lantern was first featured in the All American Comics issue in July 1940 and is valued to be around $160,000USD. Whiz Comics#1 featured the first appearance of Captain Marvel in February 1940 and is valued at $84,000 USD