A tipped-in antique colour map in a folder provided by the British Library in 1977 (image 2). The original map was designed by Joan Martines in 1578. It was published as part of the 400th anniversary commemoration of Francis Drake's circumnavigation 1577-1580. The full context is described within the folder. "Seven Cities of Cíbola, legendary cities of splendour and riches sought in the 16th century by Spanish conquistadores in North America. The fabulous cities were first reported by Álvar Núñez Cabeza de Vaca who, after being shipwrecked off Florida in 1528, had wandered through what later became Texas and northern Mexico before his rescue in 1536. The viceroy of New Spain, Antonio de Mendoza, sent an expedition in 1539 under Estéban, a black slave who had been shipwrecked with Cabeza de Vaca, and Fray Marcos de Niza to verify de Vacas reports. Fray Marcos, assured of the citiesexistence by an Indian informant, claimed to have seen them in the distance. In 1540 Mendoza dispatched