Official 1945/50: 2 d. blue & brown, (overprinted Gi types O13 and
O14), a used horizontal block of four, well centred and of fresh
colour,
Official 1945/50: 2 d. blue & brown, (overprinted Gi types O13 and
O14), a used horizontal block of four, well centred and of fresh
colour, lightly cancelled by central "Windhoek / S.W. Africa" cds
(21 April 1947) in black. Extremely rare. Cert. BPA (2024) Gi = £
1'700
