Got this from my wife`s step-father who was a WW2 Army vet. It`s clearly a torpedo model made of solid steel and is surprisingly heavy. Very well made and I don`t think it was made as a toy. Perhaps a training/identification aid? I`ve looked at all types of torpedo photos on the internet and haven`t been able to narrow it down. Reason I specified Army vet is that he had a brother who was a WW2 Navy vet so it would make sense that he may have gotten it from him. Any further?