Johann Wilhelm Keibel (1788-1862), son and apprentice of the famous goldsmith Otto Samuel Keibel. After his father's death in 1809, he adopted the same mark as his father and became master in 1812. In 1828, he created the Imperial Crown of Russia, and from 1836 to 1841, he executed the Imperial Russian orders in collaboration with the jeweller Kämmerer. The firm of Keibel existed until 1910.