WW2 Polish Goverment in Exile Stamps & Envelope 1943

A Second World War period Polish Goverment in Exile Envelope with stamps. Published by the Polish Goverment in London showing the Polish Armed forces around the world including “Polish Army in France 1939/40, Polish Merchant Navy, Polish Air Force in the Battle of Atlantic, Polish Army in Norway, Narvik 1940, Polish Army in Libya 1941/42, Secret Printing Press in Poland, Polish Resistance, Polish Army in Middle East”. Posted on 18th December 1943 via Polish War Navy Mailing Agency to Scotland. Total of eight stamps. Condition as on photographs.