An Edwardian 'Metropolitan' silver Whistle

An Edwardian silver Whistle, 'The Metropolitan', 'Patent',  Birmingham 1906, by J. Hudson and Company. Condition: \n \nGood with light surface marking. \n \nDimensions: \n \nLength - 8.30 cm.; Diameter - 1.80 cm.; Weight - 46 gms.