Watch List notes:

(x) El Banco Internacional de Costa Rica, colour trial specimen 2 colones, San Jose, ND (1931-36), serie B, no serial numbers, black, mauve, pale green and orange, Mona Lisa at centre, value at left and right and at each corner, reverse green, farmer and bullock cart loaded with hay at centre, value at left and right and at each corner, (Pick 167cts), perforated, red SPECIMEN WATERLOW & SONS overprint, in PMG holder, previously mounted, 64 Choice Uncirculated.

Estimate: £1,200 - £1,400