Watch List notes:

(x) Isle of Man Government, 50 pence (3), ND (1972-91), serial number A 800023, B 000016, C 200200, blue, Queen Elizabeth II at right, arms at centre, reverse, Viking ship, a group of special numbers, including the first prefix low number 200 of the Dawson signature 50 pence, (IMPM M513, M520, Pick 28, 33), (3).

Estimate: £150 - £180