Vintage 1970s de Passille-Sylvestre Enamel Brooch, 70s Abstract Quebec

A vintage 1970s enamel brooch by Quebec enamel artists de Passille-Sylvestre. The design is very reminiscent of the period, and features abstract shapes in gold tone with white dots. The background is dark with what appears to be a purple or burgundy color. It’s square with a gold-tone trim and the back is marked De Passille-Sylvestre in script. Size 2” long and 1¾” wide Condition Wonderful vintage condition. No enamel loss.