mother of pearl and abalone brooch and earrings

An Art Deco demi suite consisting of a brooch and a pair of earrings decorated with geometrical motives, inliad with mother of pearl and abalone, the boorch with a metal fitting and the earrings mounted with 18 carat gold, England, circa 1920.

weight brooch: 11.3 gram
dimensions brooch: 5.5 x 4.5 cm.
weight earrings: 9.6 gram
dimensions earrings: 5.5 x 1.4 cm.