Lot 411 Great Britain #4c 1849, 2d violet blue, plate 4, lettered RK, on thicker lavender-tinted paper, four large even margins, cancelled by neatly-struck “20” London numeral cancel, beautiful rich colour, reverse showing ivory head impression, a superb example of this challenging shade, very fine; with 1989 Royal Philatelic Society London certificate. (S.G. 15aa) Scott CV$1,800.
A Traditional Philatelic Auction House — Ottawa, Ontario, Canada
