Dinnerware That Doesn T Show Silverware Marks . Flatware comes in 18/0, 18/8, and 18/10 proportions of chromium to nickel. Here are 2 easy steps you can take at home to find out if your silverware is real. Sterling Silver Plate, Wallace Sterling Round Pastry Tray, 10 Inch from www.southernladyestates.com This is the easiest way to identify the manufacturer of your dinnerware, although in many cases the stamps may have faded or become illegible. Sicily outdoor melamine dinnerware collection. On the right, the slash marks on the back of this spoon identify the piece as german, and another clue is the shield with the eagle.