AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources:
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 420 BCE toIdentifies the final date in a range assigned in a numismatic context.. 415 BCE
Classical 480-323 BCperiodTime period of the numismatic object.
Physical description
MetalThe physical material (usually metal) from which an object is made.: Silver
WeightWeight of the numismatic object (in grams).in grams: 17.0617.06 g <br />17,060 mg <br />
DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: tetradrachm
DiameterDescribes diameter of an object (in mm).: 2727 mm <br />2.7 cm <br />
^Sylloge Nummorum Graecorum ANS 4. The Collection of the American Numismatic Society. Sicily 2 (Galaria - Styella), New York, 1977, 25 pl.
^Jenkins, Gilbert Kenneth (1970), The Coinage of Gela, AMUGS II, 2 vol., Berlin
^Hoover, Oliver D. (2012), The Handbook of Greek Coinage Series. 2. Handbook of the Coins of Sicily (Including Lipara). Civic, Royal, Siculo-Punic, and Romano-Sicilian Issues. Sixth to First Centuries BC, Lancaster-London, 489 p.