Not mine but hope someone here can use it.
Howard Dennis
https://www.ebay.com/itm/Rare-Original-Model-T-Accessory-Beartone-Fan-horn-Inter ior-Horn-Button-Mount/192499289393?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p206035 3.m1438.l2649
See this thread:
http://www.mtfca.com/discus/messages/822076/823206.html?1514924843