This vintage USA rhinestone pin brooch from the 1940s is a rare find as it is considered a "book piece," meaning it is something that was shown in a jewelry store's display book. Made from early plastic Lucite, this multicolor brooch features sparkling rhinestones that add a touch of glamour to any outfit. With its unique design and historical significance, this vintage piece is a must-have for any fashion enthusiast or collector looking for a piece of WWII era jewelry.