Style          Camelback
Manufactured   1848 - 1881
Base size      3.5" X 6"
     finish    Brass & Wood
Aquired        May 2001
Sold           Sep 2011

Joe, SP6JOE let me know that this key was made by;
Czeija und Nissl Company in Wien/Austro-Hungary

Joe's collection is at http://www.morsemad.com/camb.htm 
tnx Joe es 73!