Lot of 4 Rare 1 Oz Silver Engelhard Bars Sealed Maple Leaf Logo. Serial numbers 163335, 163337, 163340, and 163790.The item "Rare 1 Oz Silver Engelhard Bar Sealed Maple Leaf Logo Lot of 4" is in sale since Friday, September 10, 2021. This item is in the category "Coins & Paper Money\Bullion\Silver\Bars & Rounds". The seller is "californiasoxfan" and is located in Cheyenne, Wyoming. This item can be shipped to United States.