Sestertius Sestertius The sestertius (plural sestertii), or sesterce (plural sesterces), was an ancient Roman coin. During the Roman Republic it was a small, silver coin issued only on rare occasions. During the Roman Empire it was a large brass coin. The name "sestertius" means "two and one half", referring to its nominal value of two and a half "asses" (a bronze Roman coin, singular "as"), a value that was useful for commerce because it was one quarter of a denarius, a coin worth ten "asses". The name is derived from "semis", "half" and "tertius", "third", in which "third" refers to the
Ten-baht coin issues. Ten-baht coin The bi-metallic Thailand ten-baht coin is a denomination coin of the Thai Baht, the currency unit Thailand. Like every standard-issue coin in Thailand, its obverse features the King of Thailand , Vajiralongkorn Bodindradebayavarangkun and previously Bhumibol Adulyadej. The newest coin features King Vajiralongkorn's royal monogram on its reverse side while the previous set featured Wat Arun Ratchawararam Ratchawora Mahavihara seen from the Chao Phraya River. Ten-baht coin has been used as commemorative coin for many occasions since 1971. As of March 2012, there are one silver, twenty-three nickel, twenty-three cupronickel and fifty-eight bi-metallic face-valued ten-baht commemorative coin