Watch List notes:

(x) British West Africa, uniface colour trial 20 Shillings, Lagos, 21st July 1930, specimen number 533, brown, pale green and pink, palm tree at centre, value at left centre, three printed signatures of Mercer, Flood and Wilson at lower right,, (Pick 8ct, TBB B108t), red SPECIMEN WATERLOW & SONS LIMITED overprint at left and right, 3 punch-hole cancellations, in PCGS holder 64 Very Choice New, attractive printing, rare.

Estimate: £800 - £1,000