(1965) Johnson Matthey of Canada Poured Silver Bar. 23 x 38.5 x 15 mm. 4.0 oz. .999 Fine.,This 4 oz Silver bar was made by Johnson Matthey of Canada in 1965 and originally sold as part of a five-piece set. Only the top face of this neat little ingot was marked - There is a JMC logo at the upper left, a maple leaf at the upper right, 999+ to the lower left and 4 OZ. in the lower right. Nearly As Made. These were some of the first bars produced out of Johnson Mattheys Canadian facility, and are always popular with collectors. <br /><p><br />