The interesting thing is that there is probably considerable potential for the population of Zimbabwe to earn foreign hard currency by selling bank notes of thi

The interesting thing is that there is probably considerable potential for the population of Zimbabwe to earn foreign hard currency by selling bank notes of this kind of denomination (for example, on eBay, if possible) simply because so many Westerners would find it incredibly novel to obtain one, just for the sheer amazement factor. It's an economic opportunity to take advantage of just how bewildering the situation is.