Lot 607 , An unusual double-sided carnelian intaglio brooch, late 19th century

An unusual double-sided carnelian intaglio brooch, late 19th century, set with an oval carnelian measuring 2.2 x 1.7cm, in a swivelled mount, engraved with a coat of arms with a lion and mural crown crest over an escutcheon initialled SP, with the motto 'COSMOPOLITE', the reverse with a nymph embracing a tree entwined with a foliate vine, beneath a ribbon banner reading 'SEMPER FIDELIS' ('always faithful'), within a gold frame engraved with foliate scrollwork, length 3.5cm, gross weight approximately 11.2 grams, base metal pin
£400-600