Good Sudanese Arm dagger with croc hide ivory silver and tools

 Good Sudanese Arm dagger with crocodile hide covering to the sheath, decorated leather including moving armband. The dagger with a very fine steel blade with fluted faces, handlle with ebony lower section, and tooled ivory upper, with round disc to the end, mouned with a silver fitting.  The scabbard unusually has a pocket which encloses two small metal tools still present, a pair of tweezers, and a pin or similar. Good condition throughout, circa 1900