Material - 90% Silver 10% Copper</br>Silver Content - 0.36169 oz.</br>Issue Years - 1948 - 1963</br>Designer - John R. Sinnock</br>Mint - Philadelphia</br></br>Product Description</br></br>All of our proof coins are screened for quality and placed in 2x2 archival flips for protection. These flips are archival quality with no PVC and are non-vinyl for long term storage. Be sure to check out our other listings to get the best coins for your collection.</br><br/>http://www.amazon.com/gp/product/B008TTLJGI