Greek Migration
From 1782 onward the Greek commercial ships beared the flag of the Greek Ottoman subjects "Greco-Ottomana". Here: The "Greco-Ottomana" flag, 1812.

Greco-Ottomana flag
Photograph

Detail of an Italian painting
Hellenic Mercantile Navigation, National Bank of Greece, Athens 1972, pic. 263.
Hydra, Private collection