Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

Booklets 1912: King George V, G.P.O booklet sold at 2 s, with black on red covers, bearing three panes of six of the ½ d. green and two panes of the 1 d. red, complete, reverse with printed rates for the cost of Postal Orders, very fine, minor imperfections to cover; a rare booklet SB5 Gi = £ 2'000.