• 1866 3-Cent Silver, Proof Values

Greysheet & Red Book® PRICE GUIDE

coin-icon-tr

The Greysheet Catalog (GSID) of the 3-Cent Silver, Proof (1851–1873) series of 3-Cent Pieces in the U.S. Coins contains 3 distinct entries with CPG® values between $400.00 and $22,000.00. Proof 3 cent silver coins were struck from 1854 through 1873 and cover most years of the

The Greysheet Catalog (GSID) of the 3-Cent Silver, Proof (1851–1873) series of 3-Cent Pieces in the U.S. Coins contains 3 distinct entries with CPG® values between $400.00 and $22,000.00.

Proof 3 cent silver coins were struck from 1854 through 1873 and cover most years of the series, which spanned from 1851 through 1873. All 3 cent silver coins, designed by Engraver James B. Longacre, are scarce and generally priced in the mid hundreds and up.

3 cent silver coins, also known as "trimes," were used for the purpose of purchasing postage, which was 3 cents per letter in the early 1850s. The denomination was also popular for other uses in commerce but was phased out in 1873 along with other denominations, including the 2 cent coin and half dime.

While there are three subtypes in the 3 cent silver series, only two are represented in proof format. These include the Variety II (1854-1858) and Variety III (1859-1873). Overall, the scarcest proof issue is the 1854, which is generally a five-figure coin. Proofs dated 1855-1858 and the 1873 are also scarce and usually command four-figure prices.

See More See Less
1866 3cS PR
Value Range: $400 - $7,800
$400 - $7,800
1866 3cS PR CAM
Value Range: $924 - $2,400
$924 - $2,400
1866 3cS PR DCAM
Value Range: $1,800 - $22,000
$1,800 - $22,000

Available on Greysheet Marketplace

View All
1873 3cS PR CAM

Buy Now: $4,050.00

1870 3cS PR

Auction Ends: 7/17/2026

1869 3cS Wide Date PR CAM

Auction Ends: 7/17/2026

1871 3cS PR

Auction Ends: 7/18/2026

Dealer Directory

View All Dealers

Greysheet News

View All News
The Business of Numismatics: July 2026 Greysheet Editor's Letter
The Business of Numismatics: July 2026 Greysheet Editor's Letter
7/3/2026

July is a special month on this year's calendar as we celebrate the 250th birthday of our nation.

1888 Proof Double Eagle Headlines Heritage's Summer FUN U.S. Coins Auction
1888 Proof Double Eagle Headlines Heritage's Summer FUN U.S. Coins Auction
7/3/2026

1797 Small Eagle half dollar and Fudd, Cole Carter and Bellaire collections also among July 16-18 event highlights.

Heritage Auctions' June 29 Error Coinage Showcase Auction Realizes More Than $341,000, Led by Rare 1944 Steel Lincoln Cent
Heritage Auctions' June 29 Error Coinage Showcase Auction Realizes More Than $341,000, Led by Rare 1944 Steel Lincoln Cent
7/2/2026

Exceptional mint errors, wrong-planchet strikes and dramatic double-struck rarities drove Heritage's June 29 Showcase event to $341,470

Map icon

Campbelltown Volunteer Fire Company