Erminia, Guercino, circa 1648

Date: circa 1648. Dimensions: sheet: 20.8 x 15.3 cm (8 3/16 x 6 in.), octagonal (all four corners cut). Medium: red chalk on cream laid paper. Collection: National Gallery of Art. Giovanni Francesco Barbieri, called Guercino--, Erminia, c. 1648, NGA 139311