US Mint Proof Sets
US Mint Proof Sets. All have Certificates of Authenticity. I have multiple sets of proof years 1971, 1972, 1982-1988, 1991, 1992, 2000-2007, 2011, 2013. Never out of the box. Each ye ar i s a separates et. Th ey are al l be in g soldindividually no t as a l ot.. Certification: : U.S. Mint:/ .