surface tone
... that Rembrandt's later prints make great use of surface tone, by leaving a thin film of ink on parts of the printing plate?
... that <a href="./Rembrandt" id="mwCMA" rel="mw:WikiLink" title="Rembrandt">Rembrandt</a>'s later prints make great use of <b id="mwCME"><a href="./Surface_tone" id="mwCMI" rel="mw:WikiLink" title="Surface tone">surface tone</a></b>, by leaving a thin film of ink on parts of the printing plate?