His are all apparently related to works later done on a larger scale .
Are themselves relatively large and on panel , with examples in the National Gallery , London ( 1 ) and Courtauld Institute of Art being 75 and 65 cm tall respectively .
His are all apparently related to works later done on a larger scale , and are themselves relatively large and on panel , with examples in the National Gallery , London ( 1 ) and Courtauld Institute of Art being 75 and 65 cm tall respectively .