Art Rhinestone Christmas Tree Pin and Earrings

This set consists of a pin and earrings. All are decorated with rhinestones and ready for Christmas. They are in very good condition and all stones are present except for one tiny one on an earring. The pin has white enamel tipping the tree branches.
The pin is in very good condition. The earrings have a bit of wear on the back only. The pin is shown on p. 96 in Collecting Costume Jewelry 101 by Julia Carroll.