Bristol Siddeley Aircraft Engines silver Hm 1959 25 year service badge

A scarce original circa 1959 aircraft engine manufacturer 'Bristol Siddeley twenty five year service badge' the reverse impressed with Birmingham silver hallmarks for 1959, maker's details 'F&S' (Fattorini & Sons) and personally engraved 'C40'. Very good condition, complete with original screw post fixing and silver nut with hallmark, enamel perfect.
Width approx 29mm.

Code: 69370