THE NORMAL 2 BAR TAGGING ON THIS STAMP IS ABSENT SO THAT ONLY ONE TAGGING BAR IS VISIBLE ON THE LEFT. THIS STAMP WAS ISSUED AUGUST 8, 1977 AND IS THE FIFTEEN CENT TREMBLING ASPEN 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.