Frahm, Hans (1864 Schwerin - 1938 Munich)
Ems, A.
Unsigned
Wasser, C.
Stiens, Joseph (1926 Brussels - )
Graumann, Julius (1878 Fürth - 1944 Auschwitz) attr.
Unknown artist
ponti
Unknown portraitist
Steiner, Heinz-Artur (Xanten)
Indistinctly signed
Wünnenberg, Walther (1818 Coesfeld - around 1900)
Muller, Oswald
Osswald, Fritz (1878 Zurich - 1966 Starnberg)
Richter, Anton (1900 Schwarzenbach - around 1962)
Berg, Kees van den Cornelis (1923 Tilburg - )
Sommer, Gottfried (1935 - )
Thelen, Wilhelm (1917 Oberhausen - 1985 Düsseldorf)
Knaus, Ludwig (1829 Wiesbaden - 1910 Berlin) attr.
OK Interrupt