1950's to 60's era with the necklace also having carved rose beads with smaller plain rounded beads that gently graduate in size and a screw together hidden clasp. All of the puzzle beads in this set are 2 layer. Comes with screw back silver tone earrings with matching puzzle balls that dangle. The necklace measures 18-1/2" long. The center focal bead measures about 15mm and the smallest rounded bead next to the clasp is 3.5mm. The earrings are 1-3/4" long and the ball is also about 15mm. In very good condition, a lovely set!