Watch List notes:

(x) Singapore, specimen $1, ND (1976), serial number S000549, blue-black on multicolour underprint with black-naped tern at left, city skyline along bottom and arms at upper right, reverse National Day parade passing large building at centre left,(Pick 9) red overstamp SPECIMEN to centre and two cancellation perforations, uncirculated.

Estimate: £1,000 - £1,500