Sperry Gyroscope Company marine navigational equipment badge

A scarce original 1950's period 'Sperry Gyroscope Company lapel badge'; chromium plated small oval example inlaid with blue enamel, this same design of badge featured on a 1951 advertising poster for 'Sperry Marine Navigational Equipment'. Very good condition, retaining original buttonhole fitting, enamel perfect.
Height 15mm.

In 1951 'The Sperry Gyroscope Co Ltd' was based a Great West Road, Brentford, Middlesex, (Greater London).