Zheng Yi SaoA smoky citrine on a sterling silver star shackle, set against a brass plate found by a local metal detectorist and embossed with three anchors. Zheng Yi Sao, Madame Ching, was born into poverty in 18th century China, she worked as a sex worker before marrying a pirate captain. When he died, she negotiated command of his fleet and built it into the largest pirate confederation in history 1,800 ships, 80,000 sailors, a legal code, a supply chain, a tax