Unknown artist
nestler
monogram mist
white, w
Hartig, Carl Christoph (1888 Davos - 1975 Düsseldorf)
Unsigned
Pierre
Unknown copyist
Unknown portraitist from the 19th century
Schmidt, Karl
Hackers, CJ?
Claus, G?
Enhuber, Karl von (1811 Hof - 1867 Munich)
Bossenrot
Ruckert, K.
Valeriano, probably Pablo Alvarez (1957 Cajamarco/Peru - )
icon
Szekely?
Fried, Pal (1893 Budapest - 1976 New York)
Kaleh, Ephraim Ben
Seliger-Reichenberg, MH
OK Interrupt