1842 "DORCHESTER" TOWN CANCELLATION ON COVER (SPEC B1va). Wrapper Dorchester to the Undersheriff of Blandford (small fault at top) with 1d (SG8) lettered GL, touched at upper left but tied very fine to superb upright strike DORCHESTER town cancellation AP 9 1842 (24mm) (spec B1va) Cat. £3,000. (Ref 110281).