Four postcards of Saskia, wife of Rembrandt: B19 double portrait with Rembrandt; B365 Sheet of studies of Saskia; drawing of Saskia in bed; painting of Saskia as shepherdess by Govert Flinck, Rembrandt's pupil.

Each card is 10.5 x 15 cm, colour is made of 280 grams paper, black and white is made of 400 grams paper.