Lot 519 — Canada ten cent Patricia Airways semi-official, sold for $834 July 24, 2020April 29, 2013 by Sparks Auctions Lot 519 Canada #CL16 1926 (10c) green and red on yellow Patricia Airways, with descending overprint type D in black. Mint hinged, very fine. Unitrade CV$700, SOLD for $725 plus premium.