1870 Express Parcels Delivery Company 1d red stamp, with control number 28389 at left margin. Cancelled by pen cross, & with a piece missing from the centre under the top part of the ink cancel. (See PJGB Vol 2, no 3, page 107 May/June 1982) According to Robson Lowe only 20 examples known to have survived [US2] (Start Price = £39.20) (Image)