A large and rare ornament that I have not had the pleasure of selling until now, called a Hillal or Khelal (moon) from either Medenine or Tataouline, Tunisia. Late 19th century. The engraved pattern is different on each side, having a floral motif on one side and the Star of David on the other.
From the estate of collector: Xaviar Guerrand-Hermes
See: page 18 In All Their Finery, Jewels from the Jewish World edited by Alia Ben-Amin, The Israel Museum Jerusalem.
Measures: 6" across