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. 80 BCE toIdentifies the final date in a range assigned in a numismatic context.. 42 BCE
Hellenistic 323-30 BCperiodTime period of the numismatic object.
Physical description
MetalThe physical material (usually metal) from which an object is made.: Bronze
WeightWeight of the numismatic object (in grams).in grams: 4.054.05 g <br />4,050 mg <br />
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. 100 BCE toIdentifies the final date in a range assigned in a numismatic context.. 30 BCE
Hellenistic 323-30 BCperiodTime period of the numismatic object.
"Shortly after Actium and the restoration of peace, Athens struck several very large bronze issues, and among them a small proportion of one variety was overstruck on a single variety of Sicyonian bronze, which had been issued at least half a century earlier. [...] Kroll has suggested that the government of Athens might have acquired a group of this specific variety [...] and long retained them before overstriking"
References
abKroll, John H. (1993), The Greek coins, Athenian Agora vol. 26, Princeton, xxvi + 376 p., 36 pl.
^Head, V. Barclay (1888), British Museum. A Catalogue of the Greek coins in the British Museum. vol. VII : Attica - Megaris - Aegina, London, lxix, p.174 pl., 25.
^Warren, Jennifer A. W. (1984), "The autonomous bronze coinage of Sicyon (part 2)", The Numismatic Chronicle,144, p.1-24, pl. 1-3.