This vintage Anson L. Brown medical laboratory blood type O (RH+) tag/token from Columbus, Ohio is a unique and collectible piece of history. Made of white metal, it is a great addition to any coin or paper money collection, or for those specifically interested in exonumia or tokens from the United States.

The tag/token has been circulated and has some wear, but this only adds to its charm and authenticity. It features the blood type O (RH+) and was likely used as an identifier for medical purposes. Don't miss your chance to own a piece of medical and numismatic history with this vintage Anson L. Brown tag/token.