Watch List notes:

Government of Brunei, ND (1972-88) Specimen Banknote.Brunei, 100 Ringgit, P-10s, Specimen banknote, blue on m/c underprint, portrait of Sultan Hassanal Bolkiah I at right, back purple, Specimen overprint, PMG graded Superb Gem Uncirculated 67 EPQ, tied with one other note as finest known out of 5 graded in the PMG census.

Estimate: 900-1600