Definition of tram. 1  1 : any of various vehicles: such asa : a carrier that travels on an overhead cable or railsb chiefly British : streetcarc : a boxlike wagon running on rails (as in a mine) 2  2 trams plural, chiefly British : a streetcar line.
The stamp is a hallmark and indicates it is made of 14 karat gold and the GCJ stands for 'George Carter Jessop'. Some of our pieces can have a Jessop's or GCJ stamp. Although there could be other makers who exist who also use GCJ.
While both relate to automobile weight ratings, GCWR stands for gross combination weight rating, and GVWR stands for gross vehicle weight rating. These values are specified by the manufacturer and are individual to each model and trim of a vehicle.