1860 25C Seated Liberty Quarter PCGS PR 58 Proof Low Mintage Coin. An 1860 proof seated liberty quarter graded PR-58 graded by PCGS. It carries an exceptional proof quality strike throughout both sides with some light toning. A tougher low mintage proof coin to find in any grade. Please check this listing page carefully as the answer is usually there. The item "1860 25C Seated Liberty Quarter PCGS PR 58 Proof Low Mintage Coin" is in sale since Tuesday, December 31, 2019. This item is in the category "Coins & Paper Money\Coins\ US\Quarters\Seated Liberty (1838-91)". The seller is "westcoastcoinsoregon" and is located in Toledo, Oregon. This item can be shipped to United States.