Prendeville, J.: Explanatory catalogue of the proof-impressions of the antique gems possessed by the late Prince Poniatowski and now in the possession of John Tyrrell, Esq. (1841): 819?
Monson, (Lord)
Christie's, London: 1853-172
Size: 35X30, 24X20
Comments: SET IN GOLD FILIGREE MOUNT, WITH A LINE OF BLACK ENAMEL. SEE ALSO 1839-2051