It looks to be mainly made of brass. It weighs 13 pounds. The tag on it is marked Navy Department Bureau of Ships, Federal Sign & Signal Corporation. The item shows wear from use. The horn end has several dents on it which can be seen in picture 9. Please take a look at all of the pictures for condition. The item “Federal Sign & Signal Brass Electric Horn Siren US Navy Bureau of Ships USN” is in sale since Sunday, July 5, 2020. This item is in the category “Collectibles\Transportation\Boats & Ships\Military\Other Naval Collectibles”. The seller is “alsgt” and is located in Windsor, Virginia. This item can be shipped to United States.