(x) Central Bank of Ceylon, progressive proofs for a 100 rupees, ND (1971-75), first proof with underprint only, second proof without guilloche overprints and portrait of f S. W. R. D. Bandaranaike, last proof with complete design without serial numbers and signatures, reverse complete designs,, (Pick 80p, TBB B334p), uncirculated, rare (3).
Estimate: £250 - £300