Vintage Star-Art Sterling Silver Brooch Round Art Deco Wreath Crystal Rhinestone

MCM Vintage Star Art Designer Crystal Rhinestone Sterling Silver Brooch. Apprx 1-3/8" wide. Marked with "Art" inside a star shape and "Sterling." Good vintage condition, please see pics: some surface scratches on back, with one deeper scratch; stones slightly yellowed. Prong-set Rhinestones are secure, pin works well. Can wear different directions. Textured silver front. Guessing this dates to mid-20th Century or earlier (I believe Star Art was around 1940-1980.) Gorgeous Art Deco design!