Pearls on a String: Artists, Patrons, and Poets at the Great Islamic Courts

Map of the City of Istanbul, from Book on Navigation, approx. 1675–1725, by Piri Reis (Turkish).
Opaque watercolors and ink on paper with leather and gold cover

The Walters Art Museum, Baltimore, Acquired by Henry Walters, W.658.370b–371a.
Photograph © The Walters Art Museum, Baltimore.