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. 310 BCE toIdentifies the final date in a range assigned in a numismatic context.. 300 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: 10.5410.54 g <br />10,540 mg <br />
DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: obol
DiameterDescribes diameter of an object (in mm).: 2222 mm <br />2.2 cm <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. 350 BCE toIdentifies the final date in a range assigned in a numismatic context.. 300 BCE
Classical 480-323 BC, Hellenistic 323-30 BCperiodTime period of the numismatic object.
"The previouse underlayered coin (obv: Head of Tyras, Rev: Head of Galloping horse right. TYRA left) clearly seen. Both obverse and reverse sides display original detail & images"
References
abHoover, Oliver D. (2017), Handbook of Coins of Macedon and Its Neighbors. 3. Part 2: Thrace, Skythia, and Taurike, Sixth to First Centuries BC, Lancaster-London, xix, 232 p.
^Price, Martin J. (1993), Sylloge Nummorum Graecorum, Great Britain, Volume IX, British Museum, Part 1: The Black Sea, London, [132] p. : ill. ; 31 cm.
^Sylloge nummorum graecorum. Great Britain. Volume 11, The William Stancomb Collection of coins of the Black Sea Region, Oxford, 2000, liii p. of plates, map ; 31 cm.