Market capitalization was 3,385,200,000 Zambian kwacha or about US$372,000,000. A Fifty Kwacha banknote was issued commemorating the 50th Independence Anniversary. The Zambian kwacha was first issued in 1968 to replace the Zambian pound. ZK<br>"See also Zambian kwacha". The 1000 Kwacha coin of Zambia is a true heptagon. The kwacha (ISO 4217 code&colon; ZMW) is the currency of Zambia. In 1969, a second emission of the Zambian kwacha was issued. Lungu's presidency has thus far been criticised for failing to halt the depreciating Kwacha. The series comprised five banknotes of 50 ngwee, 1, 2, 10, and 20 kwacha. The first issue of the first kwacha was issued in 1968. In 2013, a new, redenominated kwacha was introduced. The 500 and 1000 kwacha were both printed on polymer. In 1986, fifty tambala and one kwacha coins were also introduced. The new 1,000 kwacha note was valued at around US$4. The new 20 kwacha note was found to contain an error.