Watch List notes:

Isle of Man Government, specimen 50 pence, ND (1981), serial number C346053, turquoise on multicolour underprint, Elizabeth II at right and arms at centre with red 'SPECIMEN' overprint and hole-punch cancellation over signature, reverse Viking longship at centre, also one first-issue example,, (IMPM M520s1), uncirculated, specimen scarce (2).

Estimate: £150 - £200