Blick über den Staffelsee. Um 1798.
Watercolor and pen.
Signed in bottom left after he had been ennobled in 1817. Once more signed as well as inscribed "R. Ty." on the reverse. On laid paper. 18.7 x 23.7 cm (7.3 x 9.3 in), the full sheet.

We are grateful to Dr. Claudia Valter, Germanisches Nationalmuseum, Nuremberg, for her kind expert advice.

PROVENANCE: Private collection Baden-Württemberg (family-owned for at least four generations).