A late-19th century German / Austrian silver and enamel salt cellar,

A late-19th century German / Austrian silver and enamel salt cellar,
marked 13 and maker's mark unidentified,
square form, four cabochons set around the salt well, enamel decoration to the sides, supported by eight Romanesque columns, above a square base with pierced foliate scroll sides, on four ball feet, height 8.6cm, approx. weight 9.8oz.