An identical model is illustrated in H. Ottomeyer/P. Pröschel et al., Vergoldete Bronzen, Munich, 1986, vol. II, p. 247, fig. 4.6.11
Gobin Etienne, known as Dubuisson, was along with Joseph Coteau, one of the most celebrated enamellers of his era; in 1756 he became a flower painter for the Sèvres factory where he also enamelled watch cases and clock dials