A piece of gold coin current for 10s., in the reign of Henry VI., at which time there were half rials and quarter rials or rial farthings. In the beginning of Queen Elizabeth’s reign, golden rials were coined at 15s. a piece; and in the time of James I. there were rose rials of gold at 30s. and spur rials at 15s. Lown. Essay Coins, 38.