1840 1d Rainbow trial (State 3b). Superb unused corner marginal pair in deep blue printed on white wove paper. A magnificent pair with a beautiful crisp impression, very scarce in this quality. Spec. DP20 (State 3b).: Estimate £1800-£2000 (Image)

1840 1d Rainbow Trial. Very fine example printed on white wove paper in rosy-mauve cancelled by a black Maltese Cross. Just touched at lower left nevertheless very rare, only three examples recorded, one of which resides in the Tapling collection at the British Library.: Estimate £3000-£3500 (Image)

1865 1d carmine 'Royal Reprint', plate 66 (HA), imperforate left marginal example showing part sheet inscription 'In Wetting the..', fresh large part og. Rare thus. Brandon Certificate (1985). SG Spec DP35b: Estimate £750-£850 (Image)