Authenticated and graded banknotes are banknotes that have been preserved in a plastic sleeve, usually with a guarantee of authenticity or a grade. Grading companies receive, examine and assign them a grade from the scale of 1 to 70, 70 being the highest and rarest. The select banknotes is graded in terms of visual appeal, fold, or creases, even margins and many other factors not seen by the naked eye. With this album you can store your graded banknotes and add an added layer of protection and organization. The pockets are large enough to fit most graded banknotes. Consult pouch dimension to verify your banknotes will fit. Pouch Dimensions : L 6" X W 8 1/2" Banknotes Sold Separately