1 oz Gold Bars. Proof & Mint Sets. 1999-S Pennsylvania State Quarter Gem Proof Roll (Silver). Photos in this listing may or may not be stock photos. The photos are meant to be an indication of the product you will receive. Contains 7.232 oz. Individual coins come in protective packaging. Designed by John Flanagan and William Cousins. Obverse: Features the profile of George Washington. Designed by John Mercanti. Reverse: Depicts the Commonwealth statue with the outline of the state, a keystone, and their motto: Virtue, Liberty, Independence. Mint mark features a S for San Francisco. This coin will make a great addition to any collection. Add this 1999-S Pennsylvania State Quarter Proof Roll to your cart today! This is the second coin released in the 50 State Quarters Program. This is not a photo of the actual item.