Vintage signed Keyes Maple Leaf pin brooch, collectible

Vintage maple leaf brooch/pin with rhinestones. Classic Canadian Maple Leaf. From the 50th or earlier. Signed Keyes on the back. This is a well-known and collectible costume jewelry designer, similar to Trifari. 2 cm long, 1.5 cm wide. Some signs of wear near the front bottom, as pictured. Otherwise in good condition.