Bone carving plaque with female portrait. Norberg Michael Schredl sign. Vienna-Saint Petersburg-Paris, second half of 19th c. M.Schredl was a famous Austrian portrait sculptor. In 1840 he became famous for his works of the Austrian Imperial family portraits in bone and many others noble clients. By the Russian clients recommendation in 1852 he moved to Saint Petersburg. Graduated from the Imperial Academy of Arts he started to produce a lot of private orders. He works under the orders by Prince Dolgorukiy and Paskevitch, as well as for Earl Vorontsov and Potockiy. He produced the sculpture figure of Imperator Nikolay I, which became popular in many bronze castings. Size: 14,5 X 9 cm without frame.