technically mine is in a 2x2 in a plastic 2x2 holder sheet in a ring binder. I actually have a bunch of commemm crowns, so I like to display them together. As for airtites, I know JPsCorner (www.jpscorner.com) has airtites with dimensions...you could take a look at those. I use airtites for my silver bullion, they look really nice especially with the black rings.






















