spintria

thumb|300px|A set of spintria tokens found in Rome, dating from around 22 to 37 CE

A spintria (plural, spintriae) is a small bronze or brass Roman token that typically has a sexual image on one side, and a numeral ranging from I to XVI on the other. They are about 24 mm in diameter. The scenes of couples are typical expressions of sexuality in ancient Rome as found in other explicit art, depicting both female-male and male-male sex acts.