Get the first 5 San Francisco Proof Sets in original U.S. Mint display cases and SAVE! These early “S” Mint sets are handpicked by our experts for quality and eye appeal. Minted in limited quantities for collectors with specially buffed and polished dies and blanks, each U.S. Proof coin is struck at least twice with extra pressure. These historic 1968-1972 San Francisco Proof Sets recall a memorable era in U.S. history which included the Vietnam War, the first men on the moon, the opening of Walt Disney World in Florida, Woodstock, Watergate and much more. You’ll own the highest-quality U.S. coins from those dramatic years with the first five San Francisco Proof Sets and SAVE off individual prices.