The Shadow of a Monogram To look at the history of Dutch Golden Age portraiture is to confront a persistent void where certain names should be. Eva van Marle occupies this exact space. For decades, scholars have debated if she even existed or if she was merely a convenient label for a collection of works signed with the monogram E.M. or EM.F. The evidence is thin, yet the presence of her purported work in Zwolle remains a concrete rea…