This is a vintage World's Fair medallion designed by J.C. Chaplain--Jules-Clément Chaplain (12 July 1839 – 13 July 1909)  a French sculptor and one of its finest medalists. It is from the 1900 Paris Exposition Universelle Internationale. Galena Signal Oil Co. (Standard Oil) won a silver medal at the expo. Very rare 1900 Galena Signal Oil Promo. 

Tray is copper with a solver overlay and was made in Newark N.J. by Whitehead & Hoag company. 

This is a real prize piece of history!!!! 1900 Paris worlds Fair / Olympics!!

It has all the original patina. Never cleaned or restored.

Metal measures approx. 2 1/4 inches in diameter. 

 The tray measures: approx. 4 inches in diameter.