Kenyans rush to swap banknotes Kenyans rush to swap old 1,000 shilling banknotes as the Central Bank of Kenya-imposed ban on all old edition 1,000 shilling notes comes into force. A new print of the 1,000 shilling banknote, the largest denomination, was rolled out in June, with Kenyans given until today to exchange their old bills at the bank or else be stuck with bundles of useless cash.