He endowed 95 printed graphics , 40 drawings and 10 original posters to the museum .
Pels - Leusden had been collecting the artist 's works since 1950 , and created his first Kollwitz exhibition in 1965 .
Pels - Leusden endowed 95 printed graphics , 40 drawings and 10 original posters to the museum .
Pels - Leusden had been collecting the artist 's works since 1950 , and created his first Kollwitz exhibition in 1965 .