Watch List notes:

(x) Central Bank of Kenya, progressive proofs for 50 shillings (2), ND (1980-88), first example with obverse underprint, printing guides at top margin, second example fully printed without serial numbers and signatures, also a progressive proof for 20 shillings, ND (1980-88),, (Pick 22p, 21p, TBB B122p, B121p), about uncirculated (3).

Estimate: £120 - £180