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

Niger Coast Protectorate Oil Rivers 1893: ½ d.+ ½ d on Great Britain 1 d. lilac, unsevered pair, surcharged in red at Old Calabar, an unused example, the left half showing variety straight top to "1" in "½", large part of og. which is browned at top from hinge, otherwise fresh and fine. Rare; only 936 bisected examples were surcharged. Cert. Brandon (1983) Gi = £ 500+.