The 1981 U.S. Mint 13-Coin Proof Set is a beautifully crafted collector-assembled collection featuring all six denominations of U.S. coinage produced for collectors during 1981. Struck at the San Francisco Mint, the set includes the Lincoln Memorial Cent, Jefferson Nickel, Roosevelt Dime, Washington Quarter, Kennedy Half Dollar, and Susan B. Anthony Dollar, each bearing the "S" mintmark. Every coin was specially struck multiple times using highly polished dies and carefully prepared planchets to create brilliant mirror-like fields, razor-sharp details, and, on many examples, exceptional cameo or deep cameo contrast. While the U.S. Mint officially sold the standard five-coin Proof Set separately from the Susan B. Anthony Proof Dollar, collector-assembled six-coin sets combine every denomination into one attractive and complete presentation. The 1981-S Susan B. Anthony Dollar represents the final Proof issue of the series before its temporary suspension, as no Susan B. Anthony Dollars were struck for circulation or collectors from 1982 through 1998. With an official five-coin Proof Set mintage of 4,063,083, the 1981 issue remains highly desirable for its outstanding quality, historical significance, and as the last regularly issued Susan B. Anthony Proof Dollar until the series briefly returned in 1999.