Self-portrait by Adalbert John Volck, c. 1900, tin relief, from the National Portrait Gallery - NPG-NPG 72 100Volck int, circa 1900

Self-portrait by adalbert john volck, c. 1900, tin relief, from the national portrait gallery which has explicitly released this digital image under the cc0 license. (https://npg. Si. Edu/object/npg_npg. 72. 100). Date: circa 1900.