Well in addition to the general it also applied to officers of the guard from Hanover.
This is a section of Teil 1. Ehemals Souveräne Staaten Hannover by Hans George Gasmann pg. 225
Not very long ago someone asked me a question about this–and about value–I do not do values and if I recall correctly one of these with a helmet attached to it had a very difficult time selling in Europe. I guess the seller could not confirm and somehow got a Russian connection…
The kingdom was annexed by Prussia after the 1866 war. remember however that the big battle was won by Hanover! --Battle of Lagensalza
Prussian 25 Year LSC
1870 Campaign medal
Kaiser Centennial
Hannover 1866 Battle of Lagensalza