This eBay item is a Fireside with a COPPER cygnet horn. Was such a horn ever made, either for phonos or radios?
http://cgi.ebay.com/Edison-Fireside-Model-A-Phonograph_W0QQitemZ330251905774QQcmdZViewItem?hash=item330251905774&_trksid=p3286.m14.l1318 Ray
