Vintage 40s Bakelite and rhinestone bangles - 2 marbled orange and 2 gold yellow

Vintage 1940s Bakelite and rhinestone bracelets - 2 marbled orange amber Bakelite with gold inlaid stripes detail and a space for rhinestone on each side 2 slim gold yellow bangles with rhinestones all round - these appear to be made of plastic or maybe bone (like bone handled knives) All pieces have at least 1 gem missing Another slim bangle included is split maybe used for the gems or could possibly be glued. Willing to split if you don’t want all.