This interesting terracotta model repeats the marble sculpture today kept at the Bargello National Museum.
Various bronze copies exist: the one signed GIO BOLONGE is in the Museum of Fine Art in Boston has a pendant around its neck which represents the plumb bob. In this version the bob is not present.
This work is a terracotta version, originally bronzed.
Literature: Charles Avery-Anthony Radcliffe, Giambologna Sculptor of the Medici, Exhibition catalogue, Westerham Press, England, 1978, pp.72-73.