1940's sterling rose bouquet pin brooch. Five cabbage roses on the pin. The screw back earrings have one rose. This beautiful pin has the desirable mark with the flying Pegasus horse, Coro in script and below that is STERLING.  View  back image. 
 
The pegasus mark was used after WWII. Coro, Inc., one of the largest and most prolific costume jewelry manufacturing and wholesale companies in the United States and the world.