Watch List notes:

(x) Board of Commissioners of Currency, Singapore, $50 (2), 1972, serial numbers A/40 915954/55, turquoise on violet and multicolour underprint, Vanda Rothscildiana orchid at centre, arms at low right, Hon Sui Sen signatures(Pick 5c, TBB B105c), in ICG holders number 68, gem uncirculated, scarce as a consecutive pair (2).

Estimate: £600 - £800