Cardboard 2x2s, 100ct packs
Guardhouse cardboard 2x2s are an ideal holder for protecting coins long term. Just insert a coin, fold over and staple shut. Some collectors prefer to staple each holder twice while others prefer to three staples, it is merely a matter of personal preference. Guardhouse cardboard holders have a coating in mylar film to help protect against dust and moisture. These cardboard 2x2s come in seven sizes, one for each major type of US coin.
These are the most expensive cardboard holder simply because they are the best. Each holder goes through a stringent quality control process that ensures you only get the best holders. The seven different sizes available ensure that these holders will hold just about any coin would want to store in them.