Blown Venetian glass bead in a coin(flat, round shape) with a bi-color, straight line pattern. bi-color swirl pattern. Blown in the furnaces of Murano. Distinctive color swirls of translucent glass. Size is about 25mm(+/- 2mm) or 1" diameter and about 5mm thick, though it varies due to the handwork. No two are ever exactly alike. The hole size is approximately 2-3mm in diameter. The colors are blue and emerald with a black line.