signal flag J (Juliett) 36 1/2 x 48" 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:  
Juliett. Meaning: "I am on fire and have dangerous cargo on board; keep clear"  or "I am leaking dangerous cargo".

Blazon: Azure, a fess argent

Natural material.  Stitched.  Light patina, light soil, heavy wear.  Smells like a ship.
Details: both fly end corners more than moderately tattered. 

Approximately 36 1/2" x 48".

The signal flag consists of a 3 equal horizontal stripes: blue over white over blue.