This vintage 1990 Coors Extra Gold promotional keychain features the Coors brand and falls under the theme of Breweriana. The keychain likely served as a promotional item for Coors Extra Gold beer and would make a great addition to a breweriana collection. With its nostalgic design and ties to a well-known brand, this keychain represents a piece of brewing history and would be a unique find for collectors interested in beer memorabilia.