HEDY leaf brooch vibrant

HEDY leaf brooch vibrant in red, orange, yellow snd a hint of green on gold tone metal. The company was founded in 1909 by Harry Hedison in Providence, Rhoda Island. His sons continued the business until closed in 1985. They manufactured alot of jewelry for other companies but this piece was from their line. Approx 2.5 by 2 inch. Might be gold plated? Still vibrant. Metal is etched. Has some weight to it. Good quality. Vintage.