(x) BRITISH GUIANA, Barclays Bank D.C.O., specimen $20, Demerara, 1 September 1926, black on pale yellow underprint, serial number C012,501, coat of arms at centre, value in each corner, initials 'B.G.' for British Guiana at upper right, signature of Manager at lower right, reverse blue on pale blue underprint, arms at centre, value in guilloches on either side, two punch holes,(Pick S102As), in PMG holder 63 EPQ Choice Uncirculated, ink initials in top margin, very rare.
Estimate: 800 - 1000