Material Non-Precious Metal Metal type Base Back Finding Omega-back Metal weight 27.22 Grams Gem type No Gemstone Item type name Stud Earrings Country of Origin Vietnam About this item Large scale sculptural green patina disc post earrings. These striking earrings are set in polished gold-tone metal and have an omega post back closure. Set in green patina metal Omega post closure Earring Length: 1.7" Earring Width: 1.6" Description Robert Lee Morris Soho large scale sculptural green patina disc post earrings. These striking earrings are set in polished gold-tone metal and have an omega post back closure.