Watch List notes:

Government of Brunei, ND (1972-88) Color Trial Specimen Banknote.Brunei, 1 Ringgit, P-6cts, Specimen Color trial, Brown on purple underprint with portrait of Sultan Hassanal Bolkiah I at right, back is same colors, the issued note was printed in blue on m/c, 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: 5500 - 12000 HKD