Watch List notes:

(x) Board of Commissioners of Currency, Singapore, specimen $10000, ND (1999), serial number 8PN002936, pale olive with gold hologram, Yusuf bin Ishak at right, Doctor Hu Tsu Tau signature, (Pick 44s, TBB B138as, Tan E38a), red SPECIMEN overprint, in PMG holder 64 Choice Uncirculated.

Estimate: £400 - £600