+3 Commemorative Cachets 0007 $5.00 In stock Quantity: 1 Add to Bag Product Details Limited edition Commemorative Envelope Cachet with December 17 U.S. Postal Service cancellation. Commissioned by the First Flight Society each year since the 1920's on the anniversary of the Wright Brothers' first successful powered flight on December 17, 1903. Collectors! Only a few cachets left from 2013 110th anniversary and 2016 113th anniversary. Sets available! Save this product for later Favorite Share this:TwitterFacebook