Each box contains 20 assorted notecards and envelopes, 4 each of 5 images. They are from an exhibition created by the Skirball Cultural Center featuring the works of the artist. From the back of the box:
Max Lieberman: From Realism to Impressionism is the first exhibition in the United States on the remarkable art and life of German Painter Max Liberman (1847-1935), the premier artist in Berlin from the mid-1880s until the Nazis seized power in 1933.
Box Measures: 7.5 x 5.5 x 1.5"
Each Card Measures: 5 x 7"