Intercept Shield coin albums are museum quality and a handsome, safe way to store and protect your coins. This album has spaces for Sacagawea Dollars issued starting in 2000 and is available in two styles. The With Proofs version has three pages and and includes spaces for the P-mint and D-mint circulation strikes as well as the S-mint proofs for 2000 to 2011. The Mint State Only version contains two pages. The first page contains spaces for P-mint and D-mint issues from 2000 to 2007. The second page has 16 blank spaces which can be used for proofs, die varieties or to the extend the album for circulation issues through 2015. Both versions of the album are constructed from high-grade, acid-free and sulfur-free materials and lined with Intercept Shield, a breakthrough technology protecting your valuable coins from environmental damage. The album also comes with a slip case giving your coins DOUBLE PROTECTION. Intercept Shield acts as a neutralizing agent cleansing the air around the coin protecting it from the harmful effects of corrosion.