Lot 288, Canada 1915 fifty cent black Admiral War Tax overprint, sold for C$767 August 29, 2025 by Sparks Auctions Lot 288 Canada #MR2di 1915, 50c black Admiral War Tax, overprinted INLAND / REVENUE / WAR / TAX in red, hinged, a large-margin single, choice centring, extremely fine. Unitrade CV$500, sold for C$650.00 plus 18% buyer’s premium.