Lucas, Carl Heinrich (1896 Brunswick - 1952 Berlin)
Miederer, George
Zoltan, Ernest
Unsigned
Panizza, Francesco
Ballack, H.?
Baturin, Alexander (1914 Helsingfors - 2003 St. Petersburg)
Winkelman
Bald, Otto
Richter (probably Carl August Richter, 1770 Wachau - 1848 Dresden)
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Waigner, P.
Michael, Maximilian
Indistinctly signed
Hoffmann, Anton (1863 Bayreuth - 1938 Munich)
Monogrammed
Schipper, Marinus (1897 Wilhelminadrop - 1987)
Hohlig, Georg (1879 Leipzig - 1940 ibid.)
OK Interrupt