Vintage Renoir Matisse Copper and Enamel Maple Leaf Brooch

Vintage Renoir copper enamel leaf brooch pin. Brooch has a unique combination of blue green enamel with black enamel on part of the edges. Pin also has a raised copper swirl design and copper dot accents. Brooch is stamped on back “Matisse” in script.
Measurements
Width 2 – ¼”
Height 2”
Condition
Excellent