These striking official stamps from Poland feature the national emblem, the White Eagle, prominently displayed in the center. Both stamps carry the inscription “POCZTA POLSKA – PRZESYŁKA URZĘDOWA” (Polish Post – Official Mail).

• The blue stamp reads “ZWYKŁA” (ordinary), indicating use for standard official correspondence.

• The red stamp bears “POLECONA” (registered), designating use for registered government mail.

• Designed by W. Falkowski and B. Brandt, and printed by PWPW (Polska Wytwórnia Papierów Wartościowych – Polish Security Printing Works).

• Both stamps show the Polish Eagle framed by laurel leaves with a Roman numeral “X” beneath, symbolizing official authority.

• These issues are a fine example of mid-20th century Polish official postal stationery, valued by collectors for their historical and governmental significance.