Caption:
Cut stones, gem, intaglio, ring stone, carnelian, Color, bright red, Shape, round, Machining, Maaskant-Kleibrink, M, Catalog of the engraved gems in the Royal Coin Cabinet, 1978, p.60, fig.2, , type F1, edge cut back at the back compared to at the front, in antique Helleni, 14 x 13 mm, D. 3 mm, 1-100 1-100 AD.