Three Cent Coins — The Silver Trime, the Nickel Three-Cent & Key Dates
1851–1889 • America's Smallest Silver Coin • Two Denominations, One Odd Value
Three Cent Coin Value Guide
Key Dates Across Both Denominations
| Date / Type | Mintage | Circulated | MS-63+ |
|---|---|---|---|
| 1851 Silver Type I (common) | Varies | $25 | $200+ |
| 1851-O Silver — Only Branch Mint | 720,000 | $80+ | $2,000+ |
| 1854–1858 Silver Type II | Varies | $40 | $600+ |
| 1863–1872 Silver Type III (post-1862) | Very low | Proof or impaired proof only — $500+ | |
| 1873 Silver — Final Year (Proof Only) | Low | $400+ | |
| 1865–1876 Nickel (common) | Varies | $15 | $150+ |
| 1877 Nickel — Proof Only | 900 | $3,750+ (PR-65) | |
| 1878 Nickel — Proof Only | 2,350 | $1,200+ (PR-65) | |
| 1886 Nickel — Proof Only | Low | $500 – $9,500+ | |
Why "Three Cents" Even Exists
The three-cent denomination owes its unusual existence entirely to postage. When Congress lowered the domestic letter rate from five cents to three cents in 1851, it created a genuine practical headache: there was simply no convenient coin for buying a single stamp. Five-cent coins were too large; paying with large copper cents meant fumbling with three bulky pieces for a single transaction. Congress's solution was to authorize an entirely new coin struck for exactly three cents — a denomination that has never existed before or since in American coinage, in either of its two very different metallic forms.
What makes this denomination genuinely unusual is that it was struck twice, in two completely different metals, separated by over a decade of overlap. The Three Cent Silver piece (1851–1873) came first, followed by the Three Cent Nickel (1865–1889) — meaning for eight years, from 1865 through 1873, both versions of the three-cent coin circulated side by side before the silver version was finally discontinued.
The Silver Three-Cent Piece — America's Smallest Coin
Nicknamed the "Trime" — a collector's portmanteau of "three" and "dime" — the Three Cent Silver piece holds a permanent place in American numismatic trivia: at just 14mm in diameter and 0.8 grams in weight, it is the smallest and thinnest coin the United States Mint has ever struck for circulation, smaller even than the modern dime. Designed by James B. Longacre, the coin's obverse shows a six-pointed star bearing a shield, while the reverse displays a large ornamental "C" (for cents) enclosing the Roman numeral III.
The Trime went through three design sub-types across its 22-year run. Type I (1851–1853) was struck in a deliberately low 75% silver alloy — a choice specifically meant to discourage the coins from being melted for their metal content — and shows no border lines around the obverse star. In 1854, facing weak circulation demand, the Mint reversed course, raising the silver content to a full 90% fine (adding a triple-line border around the star to distinguish the new Type II), before removing one of those border lines in 1859 to create Type III. Civil War-era coin hoarding devastated circulation demand after 1862, and virtually every business-strike Trime from 1863 onward was later melted when the denomination was formally abolished by the Coinage Act of 1873 — the same sweeping law that eliminated the half dime and standard silver dollar. Only proof coins, struck specifically for collectors, survive from most of the series' final decade.
The Three Cent Nickel
By 1865, the Trime's low silver content and small size made it increasingly impractical, and rising silver prices during the Civil War had pulled most silver coinage out of circulation entirely. The Mint's solution was the Three Cent Nickel — struck in the same durable 75% copper / 25% nickel alloy that would soon define the Shield Nickel, introduced the following year. James B. Longacre, the same engraver behind the Trime, designed this coin as well: a Liberty head obverse paired with a wreath encircling the Roman numeral III on the reverse. All Three Cent Nickels were struck exclusively at the Philadelphia Mint — the denomination never carried a mint mark in its entire 25-year run.
The Three Cent Nickel shares a remarkable and rarely noted coincidence with its exact contemporary, the Shield Nickel: both denominations had proof-only years in 1877 and 1878, with no business strikes produced for circulation in either year for either coin. The Three Cent Nickel adds a third proof-only year of its own, 1886, that the Shield Nickel doesn't share. As with the Shield Nickel's own "Great Lull," this reflects the same broader mid-1870s reality — commerce was already saturated with small-denomination coinage, and the Mint simply had no reason to strike more for circulation. The denomination was finally discontinued in 1889, by which point the five-cent nickel had made it entirely redundant.
Key Dates and Major Rarities
1851-O Silver Trime
1877 Nickel — Proof Only
1863–1872 Silver Post-1862
1878 & 1886 Nickel — Proof Only
1852 Repunched Date Silver
1887/6 Nickel Overdate
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Frequently Asked Questions
Why did the U.S. Mint make a three-cent coin?
When Congress lowered the domestic postage rate from five cents to three cents in 1851, there was no convenient coin for buying a single stamp — five-cent coins were too large, and paying with large copper cents meant fumbling with three bulky pieces. Congress authorized an entirely new three-cent coin specifically to solve this practical problem, first in silver (1851) and later, once the silver version proved impractical, in a copper-nickel alloy (1865).
What is the smallest coin the U.S. Mint has ever struck?
The Three Cent Silver piece, nicknamed the "Trime," holds this distinction — at just 14mm in diameter and 0.8 grams in weight, it is smaller and thinner than any other coin ever struck for circulation by the United States Mint, including the modern dime, the smallest coin currently in circulation.
Why were there two different three-cent coins?
The original Three Cent Silver piece (1851–1873) became increasingly impractical due to its tiny size and, after 1862, was pulled from circulation entirely by Civil War-era precious metal hoarding. The Mint introduced the Three Cent Nickel in 1865 as a more durable, circulation-friendly replacement struck in a hard copper-nickel alloy. The two denominations actually circulated side by side for eight years, from 1865 until the silver version was formally discontinued in 1873.
Why do the Three Cent Nickel and Shield Nickel share the same key dates?
Both denominations had proof-only years in 1877 and 1878 — no business strikes were produced for circulation in either year for either coin. This wasn't a coincidence of design but a reflection of the same broader mid-1870s economic reality: American commerce was already saturated with small-denomination coinage, so the Mint had no practical reason to strike more of either coin for circulation, producing only limited proof runs for collectors instead.
What is the key date of the Three Cent Silver series?
The 1851-O is the undisputed key date — the only branch mint issue in the entire 22-year series, struck at New Orleans with 720,000 minted. It commands 3 to 4 times the price of comparable Philadelphia coins from the same era, and is especially rare in high Mint State condition.
What is a good entry point for collecting three-cent coins?
Common-date Type I Silver Trimes (1851–1853) and early Three Cent Nickels (1865–1876) both offer accessible entry points, typically available for $15–$40 in circulated condition. From there, collectors often pursue a type set spanning both denominations' major design variants before working toward the genuine key dates — the 1851-O Trime and the proof-only 1877, 1878, and 1886 nickels.
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