A Russian Porcelain Ornithological Plate Imperial Porcelain Factory, Period of Alexander II (1855-1881), circa 1860 9-7/8 inches (25.1 cm) PROVENANCE: The Thomas Mansfield Collection of Imperial Russian Porcelain; John Atzbach Antiques, Bellevue, Washington, acquired from the above; The Kathleen Durdin Collection of Russian Decorative Arts, Tampa, Florida. Ornithological plates from the Imperial Porcelain Factory are exceedingly rare. Property from the Kathleen Durdin Collection HID12401132022 © 2024 Heritage Auctions | All Rights Reserved