I prefer 2 x 2's for coins I want to protect. While I have coin albums to include Dansco's I recognize that they will not protect the coins as well thus I never use them for long term storage. I use tubes for common date coins (usually pennies and half dollars) in au/bu condition. Should the value of these coins go up I will of course transfer them to 2 x 2's. For those of you using Dansco books for long term storage I would highly encourage you to keep them in ziploc bags as well as it will reduce the chance of coins being toned/damaged while in your books. Sincerely, John Leckrone