Common, scarce and rare Zambia currency (paper money; bank notes [also, banknotes]) at Mintmark.com.

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"The kwacha (ISO 4217 code: ZMK) is the currency of Zambia. It is subdivided into 100 ngwee. The name derives from the Nyanja and Bemba word for dawn, alluding to the Zambian nationalist slogan of a new dawn of freedom. The name ngwee translates as bright in the Nyanja language . . . In 1968, the Bank of Zambia introduced notes for 50 ngwee, 1, 2, 10 and 20 kwacha. 5 kwacha notes were introduced in 1973, the same year that the last 50 ngwee notes were issued. 50 kwacha notes were introduced in 1986, with the 1 kwacha note being replaced by a coin in 1988. 100 and 500 kwacha notes were introduced in 1991, followed by 1000, 5000 and 10,000 kwacha in 1992, when the 5 and 10 kwacha notes were replaced by coins and the 2 kwacha discontinued. In 2003, 20,000 and 50,000 kwacha notes were introduced. Until 1991, all Zambian banknotes featured a portrait of President Kenneth Kaunda on the obverse. Since 1992, all notes have instead featured a fish eagle on the obverse. Since 1989, all the reverses have featured the Chainbreaker statue. In 2003, Zambia became the first African country to issue polymer banknotes. The 500 and 1000 kwacha are both printed on polymer. Although the 20 kwacha note is still in circulation, such is the rarity of this note that most major retailers will round prices up to the nearest 50 kwacha when calculating a total. Most items in major supermarkets are displayed using 20 kwacha in the value (e.g., 1980 kwacha) . . ." — Zambian kwacha at Wikipedia