International Projects Painting attributed to Mattia Preti Preliminary studies and cleaning tests of a painting attributed to Mattia Preti by Dr.Richard Spear From left to right: Barbara Bertieri, consultant painting conservator to the museum (Fine Arts Conservation, Inc.); Abraham Joel, consultant to the museum charged with development of conservation studios and management of conservation projects, (Fine Arts Conservation, Inc.) ; Richard Spear, art historian and consultant curator of the European paintings collection; Athena Tacha, assisting Richard Detail Detail The painting The cleaning test in progress