Mete President Organization Series Ring (Male 925 Sterling Silver Crescent and Star) Product Features It is a TRT licensed product. Made with 925 sterling silver. It is a Turkish flag model ring with a crescent and star motif on red enamel. The Mete President ring in the Organization series you have examined has passed to the character of Serdar played by Çağlar Ertuğrul upon the death of this character in the series. You can see the ring of the Organization Serdar in various scenes of the series. You can extend the life of your silver accessory by avoiding soap deodorant sweat and water. You can learn your ring size from the jeweler free of charge. It is in the range of 16-18 gr.