This unique keychain features a retractable chain with a clip-on design, perfect for fans of BARDAHL car racing oil. The keychain is adorned with the Pennzoil brand logo and is a great addition to any collection of vintage gas and oil advertising items. The multi-color design and original 1960's creation make this keychain a rare find for collectors in the United States. It is a must-have for anyone interested in the history of gas and oil advertising.