Lot 18, Canada six pence Consort trial colour plate proof group of three different January 20, 2022 by Sparks Auctions Lot 18 Canada #2TC 6d Consort Trial Colour Plate Proof Group of Three Different, all on India paper, with Unitrade numbers 2TCv, 2TCv (in an unlisted grey blue shade) and 2TCxii (mounted on card). Unitrade CV$925.