S Dv H Russian Empire - A black and white photo of a man in a tuxedo

Sergei Dmitrievich von Hahn

Public domain image - related to Russian history, free to use, no copyright restrictions image - Picryl description

SDVH-55f5b2

A black and white photograph depicts a group of men standing and sitting in what appears to be a military or official setting. The men are dressed in uniforms or formal attire, and some are wearing hats or caps. The setting includes flags and banners in the background, suggesting a formal event or ceremony.