Watch List notes:

Singapore

Board of Commissioners of Currency, Singapore, specimen $10, ND (1989), serial number A/1 000000, red and pale green, Tony Pek orchid at centre, arms at low right, Lim Kin San signature, red SPECIMEN overprint and four cancellation holes, in PMG holder 64, choice uncirculated
TBB BNP 1, Pick CS1, KNB 3as S$800-S$1,000