These notes are like the preceding issues, but with upgraded security features. Specifically, the 20-, 50-, and 100-kwacha notes have a SPARK Live feature added at lower right front and a 5-mm wide windowed security thread. The 10-kwacha note has a new windowed security thread, and the 2- and 5-kwacha
Like B160a, but new date (2018). Prefix BP/18. Courtesy of Craig Eustace.