Lot 657, Canada 1876 eight cent dull blue Registration F-VF hinged block of four, sold for C$2,185 July 24, 2020October 28, 2018 by Sparks Auctions Lot 657 Canada #F3 1876 8c dull blue Registration, a mint block of four, with full original dull gum, moderately hinged. Few blocks of this stamp remain, overall fine-very fine. Unitrade CV$2,500, sold for C$1,900.00 plus 15% buyer’s premium.