Kutchinsky, a gold demi-parure

Kutchinsky, a gold demi-parure, 1971, comprising: a pair of earrings, designed as a rhomboid Mobius strip with abstract textured branches in bicoloured 18ct gold, length 3.2cm each, post fittings, each with maker's mark for Kutchinsky, British hallmarks; and a ring of matching design with a shank modelled as a gnarled wooden branch, size O, attributed to Kutchinsky, unsigned