Lot 617 Prince Edward Island #9d 1868 4d black Queen Victoria Imperforate right sheet marginal block of six, unused (no gum), with “FOUP” variety on the top middle stamp. Very fine and purchased from J.N. Sissons in 1946, also ex. Earl of Crawford. Catalogue value is for three regular imperforate pairs only. From the Louis Sidney Crosby Collection of Prince Edward Island. Unitrade CV$450, sold for C$425 plus buyer’s premium.