cover 2d. letter sheet, stereo obscured, addressed to Sunderland, cancelled by three strikes of the red Maltese Cross, showing "BISHOP'S AUCKLAND" circular undated on reverse; short filing note on front, toned and with perimeter faults; 2d. envelope, a210, unused, slightly toned; also an example of the Charles Gilpin "OCEAN PENNY POSTAGE" propaganda envelope used from Darlington to Essex, bearing 1841 1d. which is cancelled but not tied, fine