Isidor Kaufmann (Austrian, 1853 – 1921) painted this meticulously detailed portrait of a child. This oil-on-panel work measures 11 1/2 by 9 1/2 inches (29.2 by 24 cm), and goes to auction at Sotheby’s in New York City on 24 May 2017, with an estimated price of 150,000 to 250,000 USD. (It far surpassed the estimate, selling for 348,500 USD.)