Sto Helit is a small duchy on the Sto Plains. The current duchess is Death’s granddaughter Susan, who inherited the title when her parents, Ysabell and Mort, were killed in an accident. The Ank-Morpork dollar is used. It was the fourth area outside Ankh-Morpork to issue its own stamps. The issuing policy has been conservative to say the least, with only five stamps between 2006 and 2014. However, two of these stamps provide the collector with plenty of interest. Read on!