1988 Event Canada begins production of a $5 silver Maple Leaf bullion coin 1979 Event Canada puts its 1st gold bullion coin on sale 1968 Event Deadline for redeeming silver certificate dollars for silver bullion 1966 Event U.S. Treasury announces it will buy mutilated silver coins at silver bullion price at Philadelphia and Denver mints 1782 Birthday Thomas Hart Benton, rep, "Old Bullion"