Russian Empire, unknown photographer. 1860-70s.
Each photo: 6.5 x 5 cm.
Russian Empire, St. Petersburg, workshop of E.K. Schubert. Last quarter of the 19th century.
Each frame: 22.5 x 7.5 cm
The workshop stamp and the assay stamp "84" in an oval shield are on the legs of the frames.
Grand Duke Nikolai Alexandrovich Romanoff (1843-1865) was the eldest son of Emperor Alexander II and Empress Maria Alexandrovna.