Desirable Forbidden Fruit Lucite corn pin with embedded golden Austrian rhinestones. It measures 2 1 4" x 1 1/4".  Not easily found.
 
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