Seller: sixtytwoolds (8,571) 100%, Location: Mentone, California, Ships to: US & many other countries, Item: 380499277373 This neat old plate measures about 3 1/4 inches in diameter. There is one stem on the back for a screw. There is a number stamped on the back: N2356 KBC1. Please see the pictures posted and my store for many more great items. Condition: please see description.