An almost identical Athena clock sold Christie's London, 9 December 2010, lot 317 (£46,850).Another is in the Spanish royal Collection. See J. Ramon Colon De Carvajal, Catalogo de Relojes Del Patrimonio Nacional, Madrid, 1987, p. 185, catalogue No. 165. Further clocks of this model are illustrated, H. Ottomeyer & P. Pröschel, Vergoldete Bronzen, Munich, 1986, p. 397, fig 5. 18. 12 and Tardy, French Clocks, Vol. II, Paris, 1981, p. 278. This last is in the Ministry of Foreign Affairs, Paris. Another example is in Schloss Ehrenburg at Coburg. Gérard-Jean Galle (1788-1846) was the son of Claude Galle (1759-1815). He supplied a model of this clock to Stockholm castle on 12 June 1823 as part of a larger delivery, at a cost of 1350 francs in part return for some Swedish porphyry.