$2 orange brown Mississippi River Boat, St. Louis, Scott 293,

exceptionally well-centred, horizontal centre-line running along the foot, lovely colour, superb detailed impression, mint – never hinged. FEW COMPARABLE EXAMPLES EXIST IN SUCH PEERLESS CONDITION. (SMQ $69,300) The Philatelic Foundation Certificate 1989 (0214616) for a horizontal marginal block of 10 from which this stamp originates