ON THIS CANADIAN ERROR STAMP TWO SIDES SHOW A MISPERFORATION ERROR. THIS OCCURRED ON SCOTT 936 THE $2.00 HIGH VAULE BANFF NATIONAL PARK DEFINITIVE ISSUED JUNE 21, 1985. THE STAMP IS USED AND IS IN NICE CONDITION. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS PLEASE VISIT MY OTHER ADS