A rapier, manufactured in the century by the technology of the old masters as a gift to one high-ranking person. Such exceptionally flexible rapiers were made in Toledo in the beginning of century. They were sold in gun shops and coiled.
This dagger design was the first mass produced military knife designed specificly for offensive / fighting use. Fairbairn-Sykes fighting knife - lethal force at close quarters. It's reputation far greater than it's use