The quadrans (literally meaning "a quarter") was a low-value Roman bronze coin worth 1/4th of an as. Bronze is any of a broad range of Copper alloys, usually with Tin as the main additive but sometimes with other elements such as Phosphorus main - title Coin keywords numismatics coin review The quadrans was issued from the beginning of cast bronze coins during the Roman Republic with three pellets representing three unciae as a mark of value. Casting is a manufacturing process by which a liquid material is (usually poured into a mold which The Roman Republic was the phase of the ancient Roman civilization characterized by a Republican form of government a period which began with the overthrow of the The obverse type, after some early variations, featured the bust of Hercules, while the reverse featured the prow of a galley. Hercules is the Roman name for the Mythical Greek hero Heracles, son of Zeus and the mortal Alcmena. A galley (from Greek γαλέα - galea is an ancient Ship which can be propelled entirely by human oarsmen, used for Warfare Coins with the same value were issued from other cities in Central Italy, using a cast process.
After ca. 90 BC, when bronze coinage was reduced to the semuncial standard, the quadrans became the lowest-valued coin in production. It was produced sporadically until the time of Antoninus Pius (138-161 AD). Titus Aurelius Fulvus Boionius Arrius Antoninus ( September 19, 86 &ndash March 7 161) generally known in English as Antoninus Pius Unlike other coins during the Roman Empire, the quadrans rarely bore the image of the emperor. The quadrans was also known as teruncius, i. e. "three unciae".