细节
A ROMAN NICOLO INTAGLIO OF HERCULES
CIRCA 1ST CENTURY A.D.
With profile head of the bearded hero, wearing fillet tied at the back, 0.8 x 0.8 cm.; 1.8 cm. across inner hoop; and a Graeco-Roman nicolo intaglio with the frontal mask of bearded Dionysos, 1st Century A.D. or earlier, 0.7 x 0.4 cm.; 2.1 cm. across inner hoop, both in later ring settings (2)