Some nice examples of why staples are BAD....not scratches.

DNADave

both of these coins were stored long term (since the 60's) in these stapled 2x2's. Each has damage to the window of the holder, due to stapes from the coin holder next to it, that allowed air to enter and cause the horrible dark tone.

Walmann

Why I use OfficeMax and not Staples. Not a paid advertisement.