It’s in good original condition, The whistle measures = 6.5cm in length. The chain measures = 31cm in length.
The Metropolitan Whistle Antique Police Constabulary Whistle
Vintage Metal The Metropolitan Whistle By J Hudson & Co.
A vintage "Metropolitan" Police Whistle by J. Hudson & Co
The Metropolitan Whistle Made In England On Chain Vintage
A vintage "Metropolitan" Police Whistle by J. Hudson & Co used school games