John Adams by an unidentified artist after William Joseph Williams, c. 1820, stipple engraving, from the National Portrait Gallery - NPG-7900014B 1, William Joseph Williams, circa 1820

John adams by an unidentified artist after william joseph williams, c. 1820, stipple engraving, from the national portrait gallery which has explicitly released this digital image under the cc0 license. (https://npg. Si. Edu/object/npg_npg. 79. 7). Date: circa 1820.