This vintage Metropolitan Police Whistle is a piece of history. Made by Barr Street Birmingham, it is a genuine collectible item. The whistle features a serial number 32142 and a patent number 5727-08, adding to its authenticity. This whistle is in good condition, with some expected signs of use. It comes with its original chain, which adds to its charm. Whether you are a collector of police memorabilia or just appreciate unique vintage items, this Metropolitan Police Whistle is sure to catch your attention. Relive the past with this fascinating piece.