please see photos for details
Antique - "Metropolitan" Police Whistle - Hudson & Co - C 1909
Antique Brass Metropolitan Police Whistle 131 Barr Str Birmingham Rare 1885-1888
Antique Rare 1886 J Hudson & Co The Metropolitan Police Whistle 131 Barr Street
Whistle Metropolitan POLICE WHISTLE Numbered
Metropolitan Police Whistle with Chain Vintage Police Accessory