A ROMAN MOSAIC GLASS BEAD
CIRCA 1ST CENTURY B.C.-1ST CENTURY A.D.
Spherical in form, opaque red in color, bisected by a blue band with five masks of Medusa, each with a white face, the details in red and black, interspersed with rosettes, each with yellow petals centered by blue and rimmed in black
5/8 in. (1.6 cm.) diameter