View All 2018 American Innovation Dollar

2018 (S) Proof American Innovation Dollar - First Patent

Strike Type

Coin Details

Year

2018

Denomination

Dollar

Mint Mark

Strike Type

Proof

Series

American Innovation Dollars 2018 to Date

Designer

Justin Kunz/Donna Weaver

Composition

88.5% Copper, 6% Zinc, 3.5% Manganese and 2% Nickel

Weight

8.1g

Diameter

26.49mm

Edge

Lettered

Value Estimates

$15 - $15

Values as of May 2026 — estimates reflect typical grades (G-4 through MS-63). Coins in lower or exceptional grades may fall outside this range.

Auction Record

$115 PR70DCAM 04-21-2019 eBay

Description

The 2018 (S) Proof American Innovation Dollar - First Patent is a proof dollar struck at the San Francisco Mint, part of the American Innovation Dollars 2018 to Date series. The obverse features the Statue of Liberty with a geared background representing innovation and the reverse displays rotating designs honoring innovations and innovators from each state and territory. Introductory year featuring a single design depicting George Washington signing the first U.S. patent. This coin launched the program before the state-by-state rotation began in 2019. As a proof issue, this coin was struck multiple times on specially prepared polished planchets using polished dies, producing mirror-like fields and frosted design elements prized by collectors. Struck at the San Francisco Mint, established during the California Gold Rush and now primarily producing proof and collector coins. Estimated market value is approximately $15. Struck in 88.5% copper, 6% zinc, 3.5% manganese and 2% nickel, weighing 8.1 grams, 26.49 mm in diameter, with a lettered edge. Cataloged as PCGS #690951.