Lot 15, Canada 1855 six pence slate grey Consort, imperf, used July 24, 2020February 11, 2016 by Sparks Auctions Lot 15 Canada #5 1855 6d slate grey Consort, Imperforate, used with rare “3” rate handstamp, four large margins, extremely fine. Accompanied by a 1980 Greene Foundation certificate. Unitrade CV C$2,000