The vintage brass clover studs feature a starburst pattern and look great alone or added to your earring stack. Studs have been polished to a shine and sealed. Product Details: Material: Brass Posts: Sterling silver Size: .25" Michelle Starbuck Designs creates charmingly eclectic jewelry, handmade in Chicago since 2005. Michelle Starbuck Designs blends old and new, using a mix of vintage metals and gemstones, and enamel resin.