200001765, Tassie, 1765, helmet, athena, HYGIEIA, serpent, spear, column, shield, Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 136,NO.1765,TRAY 28.2, 28.4, Cornelian

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