Lot 21 Canada #3Pi 1851 12d black Queen Victoria Plate Proof, with Vertical SPECIMEN in Carmine, a left sheet margin single, on card-mounted India paper, with large margins and very fine. Unitrade CV$2,500.
Lot 9 Canada #3Pi 1851 12d black Queen Victoria Plate Proof, with Vertical SPECIMEN Overprint in Carmine, a lovely block of eight on card-mounted India paper, fresh and very fine. A stunning block, and certainly one of the great showpieces of Canadian philately. This item would certainly form the cornerstone of a proof collection. Unitrade CV$20,000, sold for C$23,000 plus buyer’s premium.