Lot 341 — Canada 1969 six cent Christmas stamp with black omitted, MNH July 24, 2020May 13, 2015 by Sparks Auctions Lot 341 Canada #503a 1969 6 cent Christmas Children Praying with Black Colour Omitted, mint never hinged, and a very fine dramatic error. Accompanied by a 1987 Greene Foundation certificate. Unitrade CV$3,000