signal flag I (India) 49 x 65" vintage

Vintage salvaged ship's international maritime signal flag, used by ships in communication.  The principal system of flags and codes is the Interational Code of Signals. 

Letter / code / radio name:  
India. Meaning: "I am altering my course to port." 

Blazon: Or, a pellet.

Synthetic material.  Stitched.  Light patina, light soil, light wear.  Smells like a ship.
Details: brass hardware.

Approximately 49" x 65".

The signal flag consists of a centered black dot on a field of yellow.