Vintage 1980 gold-toned brooch and pendant combination, remarkable design

This Vintage 1980’s gold-toned brooch and pendant combination from the Historic Deerfield Museum in Massachusetts. Design features an intricate openwork, filigree, or arabesque design. Sophisticated, elegance. It can be worn as both a pin/brooch using the mechanism shown on the back, and as a pendant using the small loop bail at the top. In perfect condition no signs of wear. Truly, a special piece.