Hollycraft red grapes pin designed with ruby red faceted chatons and navette rhinestones set in brilliant silvertone metal. It measures 2" x 1 1/2".  Hollycraft produced from 1936-1980.  Based on the mark, this pin is from the 1960s. Pristine condition.
 
We have serval grapes pins on our site. They are such fun to wear to the wineries when wine tasting.