Lot 332, Canada 1970 2c, 3c Centennial Opal Booklet, VF NH June 28, 2023 by Sparks Auctions Lot 332 Canada #BK63b 1970 2c, 3c Centennial Opal Booklet with Vertically and Horizontally Perforated Gutter, a complete booklet, mint never hinged, very fine. Unitrade CV$300, sold for C$300.00 plus 17% buyer’s premium.