Watch List notes:

(x) BRITISH GUIANA, The Government of British Guiana, $1, 1 June 1937, red on yellow-green and purple underprint, serial number E/8 43313, Kaieteur Falls at centre, toucan at left, ship seal at right, reverse portrait of King George VI at centre, value in guilloches on either side,(Pick 12a; TBB B107a), in PMG holder 64 Choice Uncirculated, a last series split-prefix and a rare note in such high grade.

Estimate: 1500 - 2000