New vintage jade pendant necklace

New vintage jade pendant necklace Simple Modern x classic vintage piece. Irregular hexagon design with oval Centrepiece in dark green Canadian B.C. Jade semiprecious gem. 16” gold tone (or plate) cable chain (1 mm), bail, and textured setting. Texture reminds me of ostrich leather. New. NWOT. Vintage c. 1970s. Genuine jade. Probably made in China or Taiwan. No hallmarks: I think it’s costume or gold plate.