Watch List notes:

Singapore

Board of Commissioners of Currency, Singapore, specimen $1, ND (1989), serial number A/1 000000, blue, Wanda Jener Kaneali orchid at centre, arms at top right, Lim Kin San signature, red SPECIMEN overprints and four cancellation holes, in PMG holder 64, choice uncirculated
TBB BNP101, Pick 1ACS1, KNB 1as S$400-S$600