Watch List notes:

(x) British Caribbean Territories, Specimen $20, 1st September 1951, serial number B/1 875000, purple, on multicolour underprint, map of caribbean sea on scroll at left, Kind George VI at right, reverse, two horses pulling King from sea at upper centre, coat of arms at left and right, (Pick 5s, TBB B105as) printer's annotations, 0/78925 9/10/51 black 12345 at top, SPECIMEN perforation, in PMG holder 64 Choice Uncirculated, at the time of cataloguing the highest grade sold on Track & Price 50, rare, and even more in such high grade.

Estimate: £2,000 - £3,000