Lot 435, Newfoundland 1919 fifteen cent dark blue Caribou, VF+ mint block of four, sold for C$643 June 26, 2023June 23, 2023 by Sparks Auctions Lot 435 Newfoundland #124 1919 15c Dark Blue Caribou, a mint never hinged block of four, with deep intense colour and remarkable freshness, very fine plus. Unitrade CV$480, sold for C$550.00 plus 17% buyer’s premium.