Have a photo? Submit it and we'll credit you.

As an eBay Affiliate, Collector's Key may be compensated if you make a purchase through the link(s) above.

1908 Roman Finish Proof

Gold Coins · St. Gaudens Gold $20 Double Eagles · 1907–1933
Regular Proof
Weight33.436 g
Diameter34 mm
MintPhiladelphia
StrikeProof
Mintage Experimental finish subset of 1908 Motto Proof; not separately counted by PCGS
EdgeLettered (E PLURIBUS UNUM with stars)
Alignment↑↓ Coin
Composition90% Gold, 10% Copper
DesignerAugustus Saint-Gaudens
Collector's Key IDCK-6644

Collection

collectors own this
on want lists

Your collection

Sign in to track this coin.

About this coinHistory

Roman Finish proof double eagles are primarily associated with the 1909 and 1910 Matte Proof years, when the Philadelphia Mint tested a lighter satin-texture alternative to the sandblast treatment used elsewhere in the program. A small number of 1908 proof double eagles carry attribution as Roman Finish rather than the standard Sandblast format used for the bulk of the 101-piece 1908 Motto Matte Proof production. These are experimental or preliminary strikings produced as the Mint worked through the technical questions of the new proof format in the program's first year. Surviving 1908 Roman Finish examples are very limited, with documented examples running in the low teens at most. The Roman Finish shows a smoother, more uniform satin surface compared to the distinctly textured sandblast treatment of the standard 1908 proofs.

Authentication of a 1908 Roman Finish proof requires surface recognition plus careful comparison against both the standard Sandblast 1908 proofs and the later 1909 and 1910 Roman Finish examples. The Roman surface shows satin luster and subtle texture differences that specialists train to identify, and the category includes pieces with slightly varying appearances depending on planchet preparation and die state at time of strike. PCGS and NGC both recognize and slab Roman Finish proof attributions for the 1908 date on individual-coin review, though the designation is less frequently encountered in their population reports than the Sandblast proofs of the same year. Pedigree documentation is typically part of any market appearance, and each known example has been individually studied in the specialist numismatic literature. Counterfeit exposure is minimal given the rarity and authentication infrastructure; the primary risk is misattribution rather than deception.

Market position for a 1908 Roman Finish proof is at the top of the 1908 proof category and among the scarcest proof strikings of the entire Saint-Gaudens series. Pricing reflects both the rarity and the specialist interest in documented experimental finishes from the Matte Proof program's inaugural year. Public sales appearances are rare; individual examples trade between institutional and specialist private holdings more often than at open auction. Collector demand comes from Matte Proof specialists pursuing every documented variant of the program, from experimental-finish collectors who approach the topic across multiple denominations and years, and from Saint-Gaudens completists seeking coverage of every recognized proof variety. Acquisition is certified only, with PCGS or NGC attribution and full pedigree documentation both effectively required. For the broader context of the Matte Proof program's experimental finishes and the Roman Finish specifically, 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
What is a 1908 Roman Finish Proof St. Gaudens Gold $20 Double Eagle made of?
90% Gold, 10% Copper, weighing 33.436 g.
What is the melt value of a 1908 Roman Finish 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 1908 Roman Finish 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.