THIS IS AN UNOPENED MATCHED SET OF 4 INSCRIPTION BLOCKS. IT WAS ISSUED FOR THE 1976 MONTREAL OLYMPICS. IT FEATURES SCOTT 666 THE FIFTY CENTS HURDLES STAMP ISSUED JUNE 11, 1975. THE STAMPS ARE MINT STILL IN THERE UNOPENED ORIGINAL PACKAGING. FOR OTHER ITEMS OF PHILATELIC INTEREST, VINTAGE COLLECTABLES AND ANTIQUES PLEASE VISIT MY OTHER ADS.