John Singer Sargent by Alvin Langdon Coburn, 1907, photogravure, from the National Portrait Gallery - NPG-NPG 87 288 l, John Singer Sargent

John singer sargent by alvin langdon coburn, 1907, photogravure, from the national portrait gallery, which explicitly releases this image under the cc0 license. (https://npg. Si. Edu/object/npg_npg. 87. 288. L). Date: 1907.