1949 UNDERPAID MAIL MACDUFF TO ABERDEEN. Post card Macduff to Aberdeen with pair of KGVI ½d pale green (SG485) cancelled BANFF 12 AP 49, postage underpaid with "1D/TO PAY/S.107" charge mark overstruck "2D/TO PAY/S.107" charge mark with 2d postage due cancelled ABERDEEN 4 AP 49. (Ref 98239).