US Coins

Enhanced Uncirculated sets at ANA Denver convention

As part of its 225th Anniversary celebration in 2017, the U.S. Mint is producing at the San Francisco Mint a 10-coin Enhanced Uncirculated set.

Images courtesy of the U.S. Mint.

Collectors and dealers attending the American Numismatic Association World’s Fair of Money in Denver Aug. 1 to 5 will be the first to have the limited-edition 10-coin 225th Anniversary Enhanced Uncirculated Coin set in hand directly after purchase.

The U.S. Mint plans to have the sets available for sale at the Denver convention beginning the opening day of the show. Mint officials have not announced if there will be purchasing restrictions at the show. 

For those not attending the convention, the sets become available at noon Eastern Time Aug. 1, online at or by telephone at 800-872-6468. Hearing and speech-impaired customers with TTY equipment may telephone 888–321–6468.

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The San Francisco Mint is currently producing the coins for the limited-edition 10-coin set, with each coin to exhibit an Enhanced Uncirculated finish.

The 2017-S Enhanced Uncirculated Coin set is limited to a release of 225,000 sets, but no household ordering limit is in place. No pricing for the set was available as of July 7. The coins will be available only in the set and will not be included in any other numismatic product in 2017.

All of the coins will bear the San Francisco Mint’s S Mint mark.

The set is being issued in conjunction with the U.S. Mint’s yearlong celebration in 2017 of the bureau’s 225th anniversary — hence, the 225,000-set limit.

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According to the U.S. Mint’s product offering text, the Enhanced Uncirculated finish for the 10 coins in the set is achieved by “using a combination of laser frosted areas and an unpolished field that accentuates design details, creating a unique contrast distinctly different from the mirror-like finish of Proof coins.”

All of the special set coins will be in the usual base metals set for each denomination for standard circulation quality, Uncirculated Mint set quality, and Proof coins.

The Lincoln cent is made of copper-plated zinc; the Jefferson 5-cent coin is a homogenous alloy of 75 percent copper and 25 percent nickel; the Roosevelt dime, the five America the Beautiful quarter dollars and the Kennedy half dollar are struck from planchets composed of outer layers of 75 percent copper and 25 percent nickel bonded to a pure copper core. The Native American dollar is a manganese-brass clad piece, with a total composition of 88.5 percent copper, 6 percent zinc, 3.5 percent manganese and 2 percent nickel.

The five quarter dollars’ reverse designs respectively feature Effigy Mounds National Monument in Iowa; Frederick Douglass National Historic Site in the District of Columbia; Ozark National Scenic Riverways in Missouri; Ellis Island National Monument in New Jersey; and George Rogers Clark National Historical Park in Indiana.  

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