Egyptian Frog Amulet in Gold Ring

Late-Ptolemaic Period, 664-30 BC. A grey jasper amulet formed as a frog modelled naturalistically in the round in high-relief, sitting on a discoid base; set into an antique gold ring with D-section hoop, openwork lotus flower terminals and twisted gold wire bezel. For a similar frog set in a gold ring see Christie's, Ancient Jewelry, 7 November 2011, lot 343: 'An Egyptian Agate Frog, Late Period to Ptolemaic Period, 664-30 BC'; with Jack Ogden, London, 1980. 5.48 grams, 26.56mm overall, 19.77mm internal diameter (approximate size British P, USA 7 1/2, Europe 16.23, Japan 15) (1"). Property of a London gentleman; acquired on the UK art market in 2012; previously in a 1970s collection. The frog may originally have been produced as the lid of a cosmetic vessel.
Condition Report: Very fine condition.