This set of USA Discount Postage all Mint Sheets is an excellent addition to any stamp collector's collection. The set features a total face value of $310.30 and comes with a Guardian Album to keep your stamps safe. The stamps are in pristine condition, having never been hinged, and are of fine/very fine grade. The set does not come with a certification but is guaranteed to be an authentic product from the United States. Add these beautiful stamps to your collection today!