These chipboard boxes are great quality and fits sleeved currency very well.

These boxes fit perfectly together in my closet. Tight and uniform.

5 star boxes

I have used hundreds of these slips to provide long-term storage protection to my U.S. modern currency. I have bought them from other sources at a higher price until I found Coin Supply Express. They have the absolute best prices and great shipping. Thank you for taking care of the currency collectors!