Watch List notes:

(x) West African Currency Board, 20 shillings / £1, 20 February 1957, serial number D/N 579274, red, the Niger river at left, reverse, workers harvesting cacao pods,
(Pick 10a, TBB B110e), in PMG holder 64 Choice Uncirculated. A pleasing example and one of the highest grades recorded on Track and Price for type