Rock Crystal Center Bowl with Bronze Base

possibly 19th century, oval bowl with undulating rim and leafy scrolls, supported on a bronze base with flowering branch form legs and pierced rim, stamped "BH"?, overall 6-3/4 x 15 in.ÿ - Provenance: By Descent in the Walcott and Nones Families, New England
Condition Report: bowl and base possibly associated; bowl with some small chips to cut pattern, small anomalies (as made), and scratches to base; visible seams, some patination and verdigris, other light wearÿÿ