A MODERNIST COCKTAIL RING centred by an uncut dioptase claw set to an asymmetric panel with a small

A MODERNIST COCKTAIL RING centred by an uncut dioptase claw set to an asymmetric panel with a small diamond to one side, stamped 14, sponsor's mark AC Co., size L 1/2, in original "MOTIF" of 69 Wigmore St., London case (2) (Est. plus 21% premium inc. VAT)