1968 Knights of Babylon Mardi Gras 1 oz .999 Silver Doubloon New Orleans 250th
Monster Blue Toned 1968 Knights of Babylon Mardi Gras 1 Troy Ounce. 999 Fine Silver Doubloon – New Orleans 250th Anniversary. The obverse features the Knights of Babylon crest with "New Orleans Mardi Gras" surrounding the design.