Used on the 26-27 wire wheel made by Ford. Ford used a nickel cap, but the chrome will not need to be polished as often.
Brass is also available for Speedsters. U.S.A.
Available in either nickel or chrome. Nickel is what Henry put on 'em but chrome sure is easier on Ma's polishing rag! Ford script with Made in U.S.A. on face. Used from 1917-27 U.S.A.