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. 455 BCE toIdentifies the final date in a range assigned in a numismatic context.. 451 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: 17.1517.15 g <br />17,150 mg <br />
DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: tetradrachm
AuthorityIdentifies the authority in whose name (explicitly or implicitly) a numismatic object was issued.ᵖ:
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 480 BCE toIdentifies the final date in a range assigned in a numismatic context.. 440 BCE
Classical 480-323 BCperiodTime period of the numismatic object.
Physical description
DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.ᵖ:
^Noe, Sydney P. (1957), "Overstrikes in Magna Graecia", American Numismatic Society. Museum Notes 7, p. 13-42, pl. 5-14.
^Kraay, Colin M. (1969), "Fifth century overstrikes at Rhegium and Messana", in La circolazione della moneta ateniese in Sicilia e in Magna Grecia : atti del I Convegno del Centro internazionale di studi numismatici, Napoli, 5-8 aprile 1967, Roma, p. 141-150, pl. 12.
^Garraffo, Salvatore (1984), Le riconiazioni in Magna Grecia e in Sicilia. Emissioni argentee dal VI al IV secolo a.C., Catania.
^Sylloge Nummorum Graecorum ANS 4. The Collection of the American Numismatic Society. Sicily 2 (Galaria - Styella), New York, 1977, 25 pl.
^Caccamo Caltabiano, Maria (1993), La monetazione di Messana. Con le emissioni di Rhegion dell’eta della tirannide, AMUGS XIII, Berlin-New York, xviii, 383 p., 94 pl.
^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.