Parliament Street Toronto (PM SP 21 96) squared circle ties #53 3¢ Jubilee on Canadian Bank of Commerce return cover to Peterboro, Ont bs (SP 22 97).. The squared circle has the year error variety of "96" which should be "97". It clearly has to be 1897 because the 3¢ Jubilee was not issued in 1896. This cover is accompanied by the original lot card from Jim Hennok auctions, sale #144, lot 460. Ex Winter, Stulberg (mounted on his page), Hennok. (Image)