Watch List notes:

(x) Negera Brunei Darussalam, 100 Ringit 1990, serial number B/4 158608, blue and violet on multicolour underprint, Sultan Hassanal Bolkiah I at right, reverse river scene, and 50 Ringit 1990, serial number B/2 555422,, (Pick 17, 16), in PMG holders, both 67 Superb Gem UNC EPQ and both with the highest PMG grade received, ex Lin Zhan Wei collection (2).

Estimate: £300 - £350