The gallery also specializes in European and American antique jewelry, 18th-century European gold snuffboxes, and antique Russian decorative arts, including silver, enamel, and porcelain, as well as Russian paintings, icons, and furniture.
Endangered fish and mussel species present in Hay Swamp include, Eastern Sand Darter, Greenside Darter, Northern Riffleshell, Snuffbox,Wavy-rayed Lampmussel, Rainbow Mussel and Kidneyshell.