Coloured pen a. ink drawing, lo. ri. sign. a. dat. C. L. Jessen 87, matted a. framed under glass, uninspected out of frame. - History, portrait a. interior painter from North Frisia. J. studied at the Kopenhagen Academy under V. N. Marstrand, followed by study trips to Paris a. Rome. J. is one of the most important painters of North Frisia.