Apart from the important donations, which continued to flow in, such as those of George Averoff, Aikaterini Rodocanachi, Gregorios Maraslis, Antonis Benakis, Theodoros Rallis, Nikiphoros Lytras, the French state - thanks to the initiative of Roger and Tatiana Milliex - Yiannoulis Halepas, Sophia Partheni, Nikos Hadjikyriakos-Ghikas, Yiannis Moralis and others, the art treasures of the gallery were enriched in the times of Zacharias Papantoniou and Marinos Kalligas, by purchases of important works, such as the "Concert of the Angels" by Domenicos Theotokopoulos (El Greco), Lorenzo Veneziano's "Crucifixion", the "Virgin", a work of the 16th-cebtury School of nothern Italy, the exceptional collection of engravings from the 16th to the 20th century. In 1977, the splendid Euripides Coutlides collection was also added to the National Art Gallery, and the two collections, which complement each other, thus present a total view of the Greek 19th-century art.