June 4, 2026On 17 August 1940, the Generalgouvernement issued this set to benefit the Red Cross.
June 4, 2026In August-September 1940, the Generalgouvernement issued its first set of non-overprinted stamps. These stamps depict buildings of Poland.
June 4, 2026In March 1940, the Generalgouvernement issued this set of overprints of Polish postage due stamps (MiNr. 95-99).
June 4, 2026In March 1940, the Generalgouvernement issued this set of overprints of Poland MiNr. 355, originally featuring Władysław II Jagiełło, Grand…
June 4, 2026In March 1940, the Generalgouvernement issued this set of overprints of the Polish Winter Welfare Issues (MiNr. 348-350).
June 4, 2026In March 1940, the Generalgouvernement issued these overprints of Poland’s 20th Anniversary Issues (MiNr. 331-332, 335-336, and 338-343).
June 4, 2026In March 1940, the Generalgouvernement issued this overprint of Poland MiNr. 325, originally featuring President Ignacy Mościcki.
June 4, 2026In March 1940, the Generalgouvernement issued this pair of overprints of Poland MiNr. 319-320, originally featuring Field Marshal Edward Rydz-Śmigły.
June 4, 2026The initial Generalgouvernement issues were overprints of the German 1933-36 Hindenburg issues, MiNr. 513-514, 516-525, and 528.
June 3, 2026On 10 July 1943, authorities in Bohemia and Moravia began issuing this stamp for use on packages sent to the…