Courier of the Sea published on board the M.S. "Piłsudski" - Gdynia - America Shipping Lines S.A. At Sea, on April 8, 1939, No.1 (until April 29, 1939, No.19, excluding No. 11 of April 20)[editor/publisher: Capt. Mamert Stankiewicz?], As places of issue "at sea", besides, stopping point No.8 - Naples, Nos.9 and 10 - Palermo, No.12 - Tripolis)Print, 1 p., collection of 18 issues, format 35.3 x...