200001264, Tassie, 1264, TWO HORSEMEN (DIOSCURI - DANUBE HORSEMEN?) WITH SPEARS, FACING AWAY FROM EACH OTHER, GROUNDLINE., Townley, (Mr. Charles), Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 109,NO.1264,TRAY 21.1, 21.3, Antique paste