Have a look at our entry for item 36600125 (the 12th Anniversary), and this is the same concept:  official set of four postcards and one sheet of stickers for the 13th anniversary.  Our scan shows front and back of the cardboard cover (including thumbnails of each card and the sticker sheet).  The green tape was placed at point of purchase, and we blanked out the original price that does not apply here.  Exceptional postcards!  Grade: 1