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1909 Proof

Gold Coins · St. Gaudens Gold $20 Double Eagles · 1907–1933
Regular Proof
Weight33.436 g
Diameter34 mm
MintPhiladelphia
StrikeProof
Mintage 67 Roman Finish (Satin Proof) mintage per PCGS CoinFacts
EdgeLettered (E PLURIBUS UNUM with stars)
Alignment↑↓ Coin
Composition90% Gold, 10% Copper
DesignerAugustus Saint-Gaudens
Collector's Key IDCK-6649

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About this coinHistory

Philadelphia shifted the proof finish on the 1909 Saint-Gaudens double eagle from the 1908 Sandblast treatment to a lighter "Roman" satin texture, responding to collector complaints that the 1908 Matte Proofs looked dull and abraded rather than specially prepared. The 1909 Roman Finish proof mintage totaled 67 pieces, the lowest single-year proof output in the series to that point. The surface is distinguishable from the Sandblast format by its smoother, satiny texture and lighter overall appearance; side-by-side comparison with a 1908 or 1910 Sandblast proof makes the difference visible without magnification. The obverse carries the same 46-star Motto-era design as the 1908 Motto Matte Proof, with no design changes to distinguish the two years beyond the date itself and the changed finish. The Roman Finish experiment was ultimately judged unsuccessful, and the Mint returned to the Sandblast format for 1910 and subsequent years, leaving 1909 as the single year of pure Roman Finish proof production in the Saint-Gaudens series.

Authentication of a 1909 Roman Finish proof rests on surface recognition, and the distinction from a well-preserved business strike is specialist territory because the Roman satin surface can superficially resemble careful commercial production. The Roman Finish shows a uniform satin luster across the entire coin, with softer light reflection than a Mint State business strike's cartwheel luster but brighter than a Sandblast proof's matte texture. Rims and edge lettering are sharper than on business strikes, and strike completeness across Liberty's fine detail and the eagle's feather work exceeds what ordinary die wear permits. PCGS and NGC both slab the 1909 proof with specific Roman Finish attribution, and certification is standard. The 1909 proof population is small enough that most known examples have pedigree documentation, and market appearances are reported individually in the specialist press.

Market position for the 1909 Roman Finish proof places the coin among the scarcer years in the series' proof offering, a consequence of both the low 67-piece mintage and the limited collector enthusiasm for the finish at time of production that reduced the number of examples preserved with original surfaces. PR-63 examples trade in the five-figure range, PR-64 examples commonly clear into six figures, and PR-65 and finer examples reach meaningfully higher multiples. The single-year Roman Finish status gives 1909 particular interest for Matte Proof specialists and for experimental-finish collectors. Complete Saint-Gaudens proof sets (1908-1915) treat the 1909 as one of the required acquisitions where finish attribution adds value. Acquisition is certified only at any grade. For the broader context of the Sandblast-to-Roman-and-back finish transitions within the 1908-1915 program, see the St. Gaudens Gold $20 Double Eagles history article.

Price guideReference

Reference data only — not an appraisal.

GradeDescriptionLowHigh
PR-63 Proof (PR)
Frequently Asked QuestionsFAQ
How many 1909 Proof St. Gaudens Gold $20 Double Eagles were minted?
67 were struck (Roman Finish (Satin Proof) mintage per PCGS CoinFacts).
What is a 1909 Proof St. Gaudens Gold $20 Double Eagle made of?
90% Gold, 10% Copper, weighing 33.436 g.
What is the melt value of a 1909 Proof St. Gaudens Gold $20 Double Eagle?
Its melt value is its metal content multiplied by the current spot price. See our melt calculator on the metals pages for a live figure.
Is the 1909 Proof St. Gaudens Gold $20 Double Eagle a key date?
It's a more common date overall, though scarcer die varieties may carry a premium — see the varieties list.