Vintage metal lid, AMOCO gas Amoco Oil Company Chicago ILL., in n-mint unused new old stock condition. Few scuffs. Size is 2 3/4" in diameter (not including the tabs) by 3/8" tall. Pictures show both sides. NOTE: All of the advertising items I have listed are guaranteed to be 100% authentic originals. They are all clean and ready for display. Thank you for your purchase I appreciate it.