Three Empires At War -- Austrian, Russian and Ottoman
Fine 6 sheet map published in Berlin in the midst of the Austro-Turkish and Russo-Turkish wars, between the Austrian, Russian and Ottoman Empires.
Centered on the Black Sea, the map shows the region from the Ionian Sea to the western edge of the Caspian Sea, as far south as Cyprus and as far north as just above Tsaritsyn, taking in much of southeastern Europe (Romania, Bulgaria, Hungary, Greece, etc.), all of Turkey, Georgia and parts of Ukraine and Russia.
Johann Christoph Rhode was the geographer of the Royal Russian Academy of Sciences from 1752 until his death.