1860s CDV photo of Nicholas Alexandrovich Romanov (1843-1865) was the heir apparent of Imperial Russia from 1855 until his death in 1865. He was the eldest son of Tsarevich Alexander Nikolaievich, himself the eldest son of Emperor Nicholas I of Russia, and Princess Marie of Hesse and by Rhine. In 1855, his paternal grandfather died, and his father succeeded to the throne as Emperor Alexander II. In 1864, Nicholas Alexandrovich became engaged to Princess Dagmar of Denmark but died of spinal meningitis a few months later. His early death at the age of twenty-one was a devastating blow to his mother. No photographer backmark. ID'd in pencil on reverse as "Grand Duke Heritier". This was one of his titles.