Yale blank
Take notice of silver Yale key in the middle. Was bow shape specific to a certain application or is it just decorative? Not going to buy but thought it interesting/unusual as I hadn't seen one of that shape before. It's probably common in some areas.
http://www.k-bid.com/auction/17374/item/355?offset=355
http://www.k-bid.com/auction/17374/item/355?offset=355
'Gunter glieben glauten globen' Def Leppard, Rock of Ages, 1983