Ring: Roman portrait bust of Marciana, Middle Empire around 100 AD rock crystal (?). 4.3 cm diam. A piece with rarity is the big finger ring made of rock crystal. He carries in high relief the portrait of an elderly woman with an artfully in three rows one above the other piled curls hairstyle, a hairstyle that was very fashionable around 100 AD. Perhaps here is portrayed Marciana, the wife of Trajan.