Description; Nickel plated cast brass-threaded hubcap for a Napier automobile built in Great Britain between the years of 1900 and 1924.
• Size; The cap has an outside diameter of 3.6 ” at the flange and is 1 ½ ” (38mm) high and 2 ¼” across the sextant (57mm) with 3.386” (86mm) external threads.
• Weight: 12 5/8 oz (359 gms)