Aquatint in colours, 69,5 x 50 cm, autographed lo. ri. Ruth Bess, lo. le. titled as well as num. 15/40, matted a. framed under glass, uninspected out of frame. - Prov.: Directly bought from the artist by the consignor. - Brazilian graphic artist of German origin who depicts the exotic flora a. fauna of the South American jungle. - Mus.: New York (MoMA), Washington, Sao Paolo.