Forbidden Fruit lucite plum pin. Fuchsia lucite with embedded fuchsia rhinestones. Green enamel leaves. 1 1/2" in diameter.
 
More info on Forbidden Fruit
https://imageevent.com/eclecticvintage/forbiddenfruitlucitejewelry
 
Many of my Forbidden Fruit pieces are featured in Ann Pitman's Inside The Jewelry Box " Vol 3 pages 7-12