Watch List notes:

(x) Government of Brunei, specimen / proof 50 ringgit, ND (1977), no serial numbers, brown, mauve and green, Sultan Hassanal Bolkiah Mu'izzaddin wearing uniform and songkok headgear at right, reverse, green, Omar Ali Saifuddin Mosque at centre, (Pick 9 for type, TBB B109 for type), annotation in top margin '2.7.77', some scuffing otherwise almost extremely fine, scarce.

Estimate: £250 - £300