THE NORMAL 2 BAR TAGGING ON THIS STAMP IS ABSENT SO THAT ONLY ONE BAR IS VISIBLE. THIS STAMP WAS ISSUED SEPTEMBER 8, 1972 AND IS THE TWENTY CENT PRAIRIES STAMP ONE OF THE HIGH VALUE DEFINITIVES IN THAT SERIES. THE STAMP IS USED AND IS IN NICE CONDITION. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS PLEASE VISIT MY OTHER ADS.