Postal Cover- WW2 Polish. !st Army Corps, Field Post Postal Cover- 5 7/8” x 3 ½” postcard addressed to a Colonel in the Polish Forces. It has a British Stamo with U.S. Army A.P.O. cancellation. And a Polish Forces cancellation of “POCZTA POLOWA” paper commemorative label affixed to the postcard. Card back is blank as shown. Excellent. Price: $24.00 (ref. A-1181)