Early , rare and respected map of Turkey , made under the eye of Great Britain's best map maker of the 18th century, John Gibson. Falling in and out of favor with the king but consistanmtly creating the best researched maps , done with updted details from recent explorations under the colonial flag . Fine engraving and dark impressdion support this folding map from an early gazetteer . Supple hand laid paper. Fine condition 16 x 22"