One framed print illustrates the "Falco Candicans, J.F. Gmel. Greenland Falcon, light race, adult and young" and the other the "Falco Candicans. Greenland Falcon, dark race young." Imprinted "J Wolf and HC Richter, del and lith" and "Walter, Imp." Original partial description glued to back of one frame. Matching silver-gilt frames.