Turks with an augur looking out to sea, perhaps an allegory of the Battle of Lepanto

Giovanni Domenico Tiepolo (Venice 1727-1804) Turks with an augur looking out to sea, perhaps an allegory of the Battle of Lepanto with number '165' (in the border, lower right) black chalk, pen and brown ink, brown wash 8 3/8 x 6 in. (21.2 x 15.2 cm.)