"[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Calciati 1987, p. 134-135, n° 19, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2HGC 2, n° 52
"[[Coin series reference overstruck" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3Calciati 1986, p. 167, n° 72, "[[Coin series reference overstruck" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2HGC 2, n° 1440
Overstruck on earlier, Zeus/thunderbolt issue of Agyrion (Castrizio series III, 1; CNS 11) (nb: it may be Agyrium indeed but most likely Syracuse whose coinage is much more abundant)
References
^Calciati, Romolo (1987), Corpus nummorum siculorum. La monetazione di bronzo/The bronze coinage, vol. 3, Milan, Edizioni G. M.
abHoover, 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.
^Calciati, Romolo (1986), Corpus nummorum siculorum. La monetazione di bronzo/The bronze coinage, vol. 2, Milan, Edizioni G. M.