1897 Type 17 ovpt 2 1/2d on 6d in complete mint sheet of 60 with selvedge, showing 44 examples of type 8, 10 of type 10, 4 of type 11 and 2 of type 12, some minor foxing, a remarkable survivor and a fantastic showpiece item for the specialist (S.G. £3'060+). (Image)

1897 Type 14 ovpt 2 1/2d on 1s pair with surcharge type 11 with right stamp showing italic "N" in "REVENUE" variety, used on piece with Freetown AP 26 97 cds, very fine; cert. BPA (1996) (S.G. £1'850+). (Image)

1897 Type 14 ovpt 2 1/2d on 1s mint se-tenant pair with surcharge types 11 and 13, left marginal with plate number, very fine and scarce multiple (S.G. £2'400+). (Image)

1897 Type 14 ovpt 2 1/2d on 2s with surcharge type 8 mint h.r., very fine and rare; cert. PF (1975) (S.G. £2'500). (Image)

1897 Type 14 ovpt 2 1/2d on 2s with surcharge type 8 used on piece with Freetown AP 28 98 cds, very fine and rare; cert. BPA (1994) (S.G. £3'000). (Image)

1897 Type 14 ovpt 2 1/2d on 2s with surcharge type 11 mint h.r., light horizontal bend, fine and very rare with only 24 printed (plus 8 with italic "N"); previously with cert. BPA (2000) which is now missing (S.G. £14'000). (Image)

1905-20 Group of 4 covers addressed to Switzerland incl. two KE7, one registered 1911 with 3 1/2d + 1 172d with Moyambe cds, two KGV incl. one registered, fine