1908-S

San Francisco struck only 22,000 Saint-Gaudens double eagles in 1908, making this the lowest S-mint production in the entire 26-year series. Every example carries the Motto reverse: San Francisco's 1908 double eagle production began after the motto transition, meaning no 1908-S No Motto examples exist, and the branch mint struck fewer total double eagles that year than Philadelphia's Motto production alone. The S mint mark sits above the date on the obverse. Survival across all grades is estimated at roughly 300 to 500 coins, most of them circulated AU and below. The 1933 gold recall melted the bulk of the original mintage, and European hoard returns did not meaningfully bolster the population for this particular date, leaving Mint State coins genuinely scarce and strict gems at MS65 and finer a distinct condition rarity for the issue.

Strike quality on 1908-S is generally good, reflecting San Francisco's well-managed die work during a period when the branch mint was actively producing multiple gold denominations. Typical wear follows the series pattern: Liberty's forward knee, breast, and the eagle's breast and leading wing are the first points to show friction. Because most surviving examples circulated, AU and lower Mint State grades are the most frequently encountered, and pricing in those grades reflects date rarity rather than mere gold content. Counterfeit risk is elevated for 1908-S given its value: fakes of this specific date have been documented, typically from overseas sources, and the wide spread between bullion value and the numismatic premium makes deception profitable. Authentication must be done by PCGS or NGC; raw coins offered at prices near the market should be viewed with considerable skepticism regardless of seller reputation.

The 1908-S sits as a genuine key date in the Saint-Gaudens series, its standing driven by the low mintage and the documented survival of only a few hundred examples in total. Collector demand comes primarily from specialists assembling a date-and-mint set of the series, who must acquire a single example and therefore treat it as a non-substitutable piece of the completion puzzle. Price behavior reflects this consistent demand: each grade band carries a clear key-date premium above common-date Saint-Gaudens pricing, and certified Mint State examples reach well into five and six figures at the top of the scale. The acquisition path is certified only, and among key-date S-mint Saint-Gaudens issues the 1908-S is the essential first stop. For the broader context of S-mint production in the series and the 1908 motto transition, see the St. Gaudens Gold $20 Double Eagles history article.