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): 673
Monson, (Lord)
Christie's, London: June 9, 1851, lot 209
Christie's, London: 1853-122
Size: 28X31, 18X20
Comments: THIS WAS NOT SOLD IN THE FIRST MONSON SALE IN 1851. SET IN GOLD FILIGREE MOUNT, WITH A LINE OF BLACK ENAMEL.