THIS IS AN INTERESTING CANADIAN VARIETY. THE IMPRESSION ON THE TOP OF THE STAMPS SHOW A DISTINCT DOUBLING. THIS OCCURED ON SCOTT 676 AND 677 THE 8 CENT CHRISTMAS STAMPS ISSUED OCTOBER 22, 1975. THEY ARE IN VERY NICE CONDITION AND ARE BOTH USED STAMPS. FOR OTHER ITEMS OF PHILATELIC INTEREST ESPECIALLY ERROR STAMPS, ANTIQUES AND VINTAGE COLLECTABLES PLEASE VISIT MY OTHER ADS.