Poland 1941 Prisoner of War Post Card and Letter Sheet from Warsaw to a Polish POW held at Oflag VIIA in Germany; 1944 postal stationery card postally used at Gross Born POW camp (Oflag IID) with full message on reverse; and block of four of a 5gr. stamp issued for use at Woldenberg POW camp (Oflag IIC). VG/Fine (4)