I believe the handles to be ivory looks as if something was written on them in time....As small as this knife is I believe it's could be a watch Fob
The most interesting aspect of this knife is that the tang is stamped on both sides different companies
The mark side.....Schmidt & Peters New-York
The pile side.....Vom Cleff and Co. Germany
Not only is the companies differ so is the countries
I looked and couldn't find anything on this piece maybe somebody can solve this puzzle!!
