cover 1sh reddish mauve quadrisect (3b; S.G.5 var., listed as S.G.6b), large margin, well-tied by Edmunston "12" oval grid to folded letter, headed "Little Falls", from Edmunston to Quebec; endorsed "Paid", backstamped Edmunston MR 13 1860, Quebec MR 16 60; the quadrisect has tiny corner crease or fault, otherwise very fine; a very rare franking to pay 3p to Quebec, S.G. Cat. £20,000