An early 20th century Deco silver plated cocktail shaker by Mappin & Webb. Marked on the base: Mappin & Webb Ltd | Mappin Plate | London & Sheffield | No.W28554 | 1 Pint

English, circa 1920
 
Dimensions
Height: 22cm / 8 3/4”
Diameter (of base): 6.5cm / 2½"