VERY OLD AND HARD TO FIND DAGGER...
 
Wade & Butcher Sheffield.  Late 1800's?
 
Double sided dagger type blade.  Horn handles.
 
Total length of item 8 3/4".  Handle length is 3 5/8".  Blade length is 5".
 
PURCHASED AT AN ESTATE SALE OF AN ANTIQUE KNIFE DEALER.
 
Hard to read tang stamp.  I have included multiple pictures for your review.  Surface rust on blade.  Some age cracks on one side of the handle.
 
Location D2