boatswain's call, also known as a bosun's whistle. It is a type of pipe or whistle used on naval ships by a boatswain to issue commands to the crew. The high-pitched sound could be heard over the sounds of the sea and bad weather. The design on the buoy of the whistle, a fouled anchor, is a symbol of the Royal Navy This is just over 3” long There are dents on the pipe end but it does not affect the whistle. Please see the photos for condition. This will be sent recorded delivery