Poland. (French Detachment in Poland). 1919. Picture post card of 'Wolynsk Market' addresses to France cancelled by 'Tresor et Postes/ 302' date stamp in carmine '22nd May 19' with circular military cachet '1st Division Polonaise/ Le Payeur' in blue on face. Very fine item from the French Military Detachment located in Rowne, Poland WW1.
See Edward Klempka's wonderful book, Foreign Military Activity in the Russian Civil War 1917- 1923.