XEE4154756 Balthazar Keller (1638-1702), goldfather and founder, bottom of a single jet the first equestrian statue in 1699. Late chromolithography of the 19th century. by Unknown Artist, (19th century); Private Collection; (add.info.: Balthazar Keller (1638-1702), goldfather and founder, bottom of a single jet the first equestrian statue in 1699. Late chromolithography of the 19th century.); Stefano Bianchetti; out of copyright.