This is a rare and valuable Batman #306 comic book from December 1978 featuring the Black Spider. The issue number 306 is a part of the Bronze Age (1970-83) era and is a 1st edition single issue format. The superhero team, Justice League of America, is featured in this US comics tradition piece, which is intended for a general audience.

The comic book is in English language and has a vintage look with a color style. It is a single unit sale and the artist/writer is Gerry Conway, John Calnan, and David Hunt. The publisher is DC Comics and it is a part of the DC Universe. The comic book has been well-maintained and is a great addition to any collector's collection.