This vintage blowing horn belonged to my great grandfather, Earl G Slater, A supply seargant during World War II. I have no idea when or where it was acquired. Family passed it to me over my objections (I'm really not a sentimental object collector) And since no one else desires to keep it, I figured I will sell it, and let it find a niche in someone elses home. There are some scratches, which I suspect were recieved AFTER it left my late grandfathers home, and I do not know what the mouth piece was machined from, though it looks like aluminum. Use as your own risk.