Portrait of Tsarevich Nikolai Alexandrovich and Prince George of Greece. [1891].
Photographer E. Honlenberg
At the bottom stamped: E. Honlenberg
Mounted photograph: 14.5 x 10 cm; 28 x 19.5 cm.
ГА РФ, Ф. 601, Оп. 1, Д. 1464, Л. 239