Is a 1918 trench knife with brass knuckles legal?

The legality of a 1918 trench knife with brass knuckles varies by location. In many jurisdictions, such knives are classified as illegal weapons due to their potential for use in combat and self-defense situations. It's essential to check local laws and regulations regarding the possession and carry of such items, as they can differ significantly from one area to another. Always consult local law enforcement or legal resources for the most accurate information.