A Best-of-Britain onyx and diamond dress set

A Festival of Britainf-Britain onyx and diamond dress set, consisting of a pair of shirt studs, four buttons with yellow gold fittings and a pair of cufflinks, each octagonal-shaped plaque set with an onyx face and a round brilliant-cut diamond millegrain-set to the centre, al to a white engine-turned engraved border, marked 18 carat gold, in original fitted case, circa 1950s

No. 28122M