World Banknotes

Banco Nacional de S.Tome e Principe, a set of stage proofs (5) on watermarked paper for 100 Dobras, 1977, including a complete reverse and one more for each stage of printing, plus an complete obverse underprint proof, as well as two archival photographs showing the original designs for the notes, all with archival annotations, generally uncirculated, extremely rare and likely unique (5 proofs, 2 photos)
BNB B209, Pick 59 for type £150-£200