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

1851/55: (1 d.) blue on lightly blued paper, a fine example with ample to large margins all round, used on 1852 cover from Port of Spain to Barbados endorsed "Mail" tied by circular "1" numeral obliterator in black. Manuscript "4" (pence) due at left for Inter-Island rate and reverse with double arc Trinidad cds (April 14) and Barbados (April 16) arrival, both in black. File folds but a fine cover.