Feast of the Sea 1943, a series of propaganda stickers - SLAVIANIE NA OCEANY and POTENTIAL OF POLAND TO COLONIES, issued by the united underground organizations: KOP, OW, ZPN, and MIRACLE and PŁUG. All philatelic values can be viewed at our office in Warsaw, 7/19 Romualda Mielczarskiego St. Mon-Fri 8:30am-4:30pm. To facilitate the presentation, please contact us in advance by phone at: 691-66...