Watch List notes:

(x) British West Africa, uniface colour trial specimen 20/-, Lagos, 21 July 1930, brown, pale green and pink, palm tree centre, value at left, three printed signatures of Mercer, Flood and Wilson low right, (Pick 8cts, TBB B108bt), perforated red SPECIMEN WATERLOW & SONS LIMITED overprint, an attractive Waterlow printing, in PMG holder 62 Uncirculated, scarce.

Estimate: £300 - £400