I love Sherman jewellery (to the point I co-wrote a book about the designer, Gustavo Sherman, with Sandra Caldwell, whose Etsy shop is here). Though I prefer rhinestones, I developed an appreciation for Sherman’s bead pieces, especially the more unusual ones like this.

Made with aurora borealis Swarovski faceted crystal beads, it’s pretty spectacular when worn. I would guess this is late 1960s.