and the double oval "PROVOST MARSHAL/NO.../HONGKONG", some light soiling" /> cover FIRST WORLD WAR: 1914 (6 Nov.) stampless envelope addressed in Hong Kong bearing double ring despatch c.d.s. along with good to fine strikes of triangular<I> "Letter Prisoners of War/Free under/Convention"</I> and the double oval "PROVOST MARSHAL/NO.../HONGKONG", some light soiling | Christie's