Comparable examples include the statuette of Mars made for the Elector of Saxony, mentioned in the inventory of his kunstkammer in 1587 and a version now in the Anton Ulrich Museum, Braunsweig, also attributed to Giambologna’s workshop, or possibly to Antonio Susini who worked under the Flemish master from 1580-1600.
The figure, which has a probably later brown patina and measures 16in (41cm) high overall, is estimated at €40,000-60,000.