The złoty is the official currency of Poland. The name is derived from the Polish adjective “golden”. The official currency symbol: zł. The złoty (golden) in Poland dated back to the midden ages, from the 14th and 15th centuries when the name was used for all foreign gold coins used in Poland. In 1496, the Sejm (Sejm of the Republic of Poland) approved creating a national currency known as the first złoty. A second złoty was introduced in 1924, replacing the marka (currency of the Kingdom of Poland and the Republic of Poland between 1917 and 1924). In 1939, the government introduced banknotes in denominations of 1, 2, 5, 10, 20, 50, 100 and 500 złoty. After German established the General Government and the Communist Poland periods, a third złoty (PLZ) was introduced, replacing all the notes issued before 1948; from there, the banknotes issued were a stable version. The banknotes issued in these third series were redenominated at a rate of 10,000 PLZ to a 1 PLN (new złoty), and all the legal tenders previously emitted as PLZ denominations were exchangeable into the PLN until the date of each value’s withdrawal. After 31 December 2010. Currently are circulating banknotes in denominations of 10, 20, 50, 100, 200, 500 złoty.
The 20 złotych commemorative note front design features the portrait of Marie Salomea Skłodowska Curie (1867 – 1934), was a Polish-French physicist and chemist, who is world-renowned for her pioneering research on radioactivity and the first woman to win a Nobel Prize, as well as the first person and the only woman to win the Nobel Prize twice, and the only person to win the Nobel Prize in two scientific studies from different fields; Curie was the first woman to become a professor at the University of Paris in 1906; followed by the illustration of the building of the Sorbonne in Paris. The design is completed by a holographic seal which contains the chemical element Ra (Radium) and the crowned White Eagle (Emblem of the Polish Republic). The reverse of the note presents an image of the medal awarded to the Nobel Prize winners (contains the bust of Alfred Bernhard Nobel), a quotation from the speech by Maria Skłodowska-Curie on radium and the view of the Radium Institute in Warsaw (Capital city). The lettering of the note is presented in the Polish language. This note is part of the 2011 commemorative series ‘’100th anniversary of the awarding of the Nobel Prize in chemistry to Marie Skłodowska-Curie’’. Its color is brown on a multicolor underprint.
Text: 20, NARODOWY BANK POLSKI, 20 DWADZIEŚCIA ZŁOTYCH, WARSZAWA, 20 KWIETNIA 2011 R. PREZES, GŁÓWNY SKARBNIK, Sorbona w Paryżu, MARIA SKŁODOWSKA-CURIE 1867-1994, DWADZIEŚCIA ZŁOTYCH, NARODOWY BANK POLSKI, 100. ROCZNICA PRZYZNANIA II NAGRODY NOBLA MARIL SKŁODOWSKIEJ – CURIE 1911 2011, Rad wykryłam, lecz nie stworzyłam, więc nie należy do mnie, a jest własnością całej ludzkości”, BANKNOTY EMITOWANE PRZEZ NARODOWY BANK POLSKI SĄ PRAWNYM ŚRODKIEM PŁATNICZYM W POLSCE, DWADZIEŚCIA ZŁOTYCH, INSTYTUT RADOWY W WARSZAWIE.