1833 Proof

Rated R.7 on the Sheldon rarity scale, meaning roughly four to twelve examples are believed to survive, the 1833 proof Capped Bust dime is one of the most elusive issues in the entire small-size Capped Bust series. Proof coins are special presentation strikes produced from specially polished dies on hand-selected planchets, struck multiple times at low speed to bring up full design detail and mirror-bright fields. Original mintages for early American proofs were never recorded, but numismatic research suggests the Philadelphia Mint produced perhaps fifteen to twenty pieces of the 1833 proof dime for cabinet collectors, diplomatic presentations, and assay purposes. The figure of 485,000 displayed on this page refers to the combined business-strike mintage for all 1833 dime varieties and has no bearing on the proof issue itself. Recent auction appearances of certified examples have realized prices in the mid to high five figures, with the finest pieces approaching six figures when paired with original surfaces and strong cameo contrast.

Authenticating an 1833 proof Capped Bust dime begins with the fields. Genuine proofs display deeply reflective mirrors that show the watery, slightly wavy appearance characteristic of multiple strikes from polished dies, distinctly different from the satin or semi-prooflike look of an early business strike. The rims should appear squared and crisply defined, almost knife-edged where they meet the field, rather than rounded as on circulation pieces. Cameo frost, the soft white veil that contrasts against the mirrors on stars, drapery folds, and the eagle's plumage, is present on the earliest impressions and fades on later strikes as the dies wear; its presence is a strong positive indicator but its absence does not condemn a coin. Diameter should measure 18.5 millimeters consistent with the small-type modification introduced for the series, and weight should fall close to 2.7 grams reflecting the .8924 fine silver standard. Reeded edges should appear sharp and evenly spaced. Because forgeries and altered prooflike business strikes do reach the market, any candidate piece should arrive in a slab from PCGS, NGC, or CACG bearing a PR designation, ideally with a numerical grade and an indication of cameo or deep cameo where applicable. Raw examples should be referred to a major grading service before any significant purchase.

Within the broader run of John Reich's small-size redesign, the 1833 proof represents one of the few documented presentation strikings from a transitional period when proof production at the Philadelphia Mint was sporadic and undocumented, several years before the formal proof sets of the 1850s emerged. Collectors who pursue these early proofs typically build their cabinets around type representation rather than date completion, since assembling a full date run of Capped Bust dime proofs is realistically impossible for any private collector. For deeper background on Reich's design, the small-type modification of 1828, and the place of these proofs within the series, see the Capped Bust Dime series history.