This wonderful example of Alfred Philippe design for Trifari was registered on 11/21/1950 with the US Patent Office #160964. This piece is an example of a special plating process developed by Trifari described as Trifanium. It is a metal alloy that did not tarnish and can be plated with gold or rhodium. This is a must-have for any collector. Please look at the pictures for more information.