w h kimball 1860 handcuffs value?

i have an original pair of cuffs with the key in nice condition. it is marked w.h. kimball patd. aug 7th 1860 and also has a 2 stamped at top. would like some info on if these have any value, and history on it. thanks. Dave... blaissaco@aol.com

Could we please see a few pictures, please?