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2020 (S) Proof Salt River Bay National Historical Park and Ecological Preserve Quarter

Strike Type

Coin Details

Year

2020

Denomination

Quarter

Mint Mark

Strike Type

Proof

Series

America the Beautiful Quarters 2010-2021

Designer

John Flanagan (obverse) / Richard Masters (reverse, sculpted by Joseph Menna)

Composition

75% Copper, 25% Nickel over a pure Copper center

Weight

5.67g

Diameter

24.3mm

Edge

Reeded

Value Estimates

$0.25 - $28

Values as of May 2026, from published price guides and, in some cases, recorded auction sales. For most coins the range runs from a well-worn example (around G-4) to an uncirculated one, but individual coins can sell for more or less depending on grade, eye appeal and demand. Compare recent sales of similar coins for a closer estimate.

Auction Record

Price realized: $27
Sold: 24 October 2022
Grade: PR70DCAM
Auction house: eBay

Description

The 2020 (S) Proof Salt River Bay National Historical Park and Ecological Preserve Quarter is a proof quarter struck at the San Francisco Mint, part of the America the Beautiful Quarters 2010-2021 series. The obverse features George Washington facing left, based on a 1786 bust by Jean-Antoine Houdon and the reverse displays unique designs featuring national parks and sites from each state and territory. The reverse depicts a red mangrove tree in early growth stages. Salt River Bay marks the only documented site where members of a Columbus expedition set foot on what is now U.S. territory, and it protects a remarkable mangrove estuary. National Park of American Samoa (AS), Weir Farm (CT), Salt River Bay (VI), Marsh-Billings-Rockefeller (VT), and Tallgrass Prairie (KS) were featured. The final full year of the program, with pandemic-related production adjustments. 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 ranges from $0.25 to $28 depending on grade and condition. Struck in 75% copper, 25% nickel over a pure copper center, weighing 5.67 grams, 24.3 mm in diameter, with a reeded edge. Cataloged as PCGS #811832.