VINTAGE LINCOLN CONTINENTAL MERCURY GAS RADIATOR CAP EMBLEM ORNAMENT. THIS IS A VINTAGE LINCOLN OR MERCURY GAS CAP. GREAT FANCY EMBLEM DESIGN ON THE FACE. HERE ARE THE SPECS. ACROSS THE TOP THIS MEASURES: 3 1/8 O. UNDERSIDE INSIDE OPENING MEASURES: 2 11/16. ROUND CENTER HUB MEASURES: 1 63/64 ACROSS….