This vintage 1950's copper enamel leaf pin and screwback earring parure certainly looks like Matisse, but the set is not signed. 
 
All pieces have a chocolate enamel background with bright lemon yellow enamel sprayed around the edges. I really like this set because of the colors. Finding copper enamel leaves in yellow is very uncommon. 
 
All pieces are solid copper and in mint condition. The enamels are glossy with no chips or scratches and all pieces are all original. The earrings have solid copper screwbacks and the pin has the original fine working brass safety closure. The copper on the backs is in excellent condition as well ; very clean with no blackening or greening. 
 
The pin is 1 3/4" long x 1 1/2" wide and the earrings are 1" square. 
 
Comes gift wrapped and shipped in a new presentation jewelry box.  
 
* You can add a gold or silver brooch slider to convert this pin to a pendant by checking the option box.