Elk © 1906 Caille Bros.
Adolph Caille was informed by the Elks Club of which he was a member, that Elks Club members could not monetarily benefit from the name Elk, the machine was immediately discontinued.
Machine's picture.
For Amusement Only - Thomas Gustwiller - Taylor Printing - 1995 - Page 44
Loose Change Blue Book for Slot Machines [4th Edition]