2017-S Ellis Island, Silver Proof

Barbara Fox's Ellis Island reverse for the 2017-S Silver Proof renders an immigrant family on the dock at the federal immigration station in New York Harbor, the main building's twin copper-domed towers rising behind them. The Ellis Island station processed roughly twelve million immigrants between 1892 and 1954 and operates today as a unit of the Statue of Liberty National Monument administratively assigned to New Jersey. San Francisco struck 522,526 pieces for the 2017 Silver Proof Set, the figure matching the year's Silver Proof Set sales total and a modest uptick over 2016 driven by the U.S. Mint's 225th-anniversary product calendar. The composition is the 90% silver, 10% copper alloy at 6.25 grams with .1808 troy ounces of pure silver across a 24.26-millimeter planchet with reeded edge. The issue is the second of five 2017 silver releases and the 39th of the 56-design ATB program.

Authentication on the issue rests on the weight spread between the silver and clad planchets. The 6.25-gram silver figure against 5.67 grams for the clad sister is the cleanest non-destructive separation, resolvable on a calibrated scale to the eighth of a gram. The reeded edge reads silver around the perimeter without the reddish copper-core line a clad strike shows at an angle. PCGS, the Professional Coin Grading Service, and NGC, the Numismatic Guaranty Company, attach a Silver or S/Ag attribution to the slab insert alongside the proof grade and a Cameo (CAM) or Deep Cameo (DCAM) contrast designation, where DCAM is the standard outcome on modern San Francisco silver proofs. Strike diagnostics on the multi-figure composition sit at the family members' facial features, the suitcase relief in the foreground, and the main-building's copper-dome detail behind them; worn dies flatten the family group into a generic silhouette before the architecture begins to lose detail. The 2017-S Ellis Island Enhanced Uncirculated business strike is a separate catalog entry, not a finish variant of the silver proof.

The issue trades at the upper end of the 2017 silver-proof price band because the immigration subject draws cross-disciplinary collector interest from social-history, ethnic-heritage, and New York/New Jersey state-coinage buyers that pure landscape designs do not generate. PR69-DCAM examples in PCGS or NGC holders move at a modest premium over the silver-spot floor carried by the 0.1808 ounce content, and PR70-DCAM examples sit a tier higher with registry-set buyers driving the spread. The 522,526 silver print run sits at roughly 49 percent of the 1.08-million 2017 clad-proof figure. For the broader story of the ATB Silver Proof program and the series' production arc, see the Washington ATB series history.