Two pairs of gold cufflinks, early 20th century

Two pairs of gold cufflinks, early 20th century, comprising: a pair of cufflinks, the larger oval and smaller circular ends each with a grid design in bicoloured gold, to S-shaped connecting links, larger ends each 1.8 x 1.4cm, case; and a pair of cufflinks composed of circular ends with radiating designed in three-coloured gold, to chain connectors, diameter of each end 0.9cm, case