1846 (17 July) letter sheet, a105, used from Crawley to Hartswood, uprated with very fine pair of 1841 1d. lettered MB-MC, the letter sheet and adhesives cancelled by fine strikes of the black "228" numeral of Crawley, showing manuscript "More to pay 4d."; creased and refolded for display. Rare and a most attractive exhibition piece. B.P.A. Certificate (1997). Photo