S 307 - Poseidonia, silver, obols (475-420 BCE)
From SILVER
475 BCE - 420 BCE Silver 320 kg
Description
ObverseInscription or printing placed on the obverse.: | Poseidon standing r. |
ReverseInscription or printing placed on the reverse.: | (ΠΟ) (Greek).Bull standing left |
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: | Poseidonia | Ancient regionAncient region.: | Lucania | Modern countryModern country: Italy | 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. | 475 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 420 BCE | PeriodTime period of the numismatic object.: Archaic until 480 BC ![]() |
Physical description
MetalThe physical material (usually metal) from which an object is made.: | Silver ![]() |
Median weightMedian of the weights of numismatic objects (in grams). in grams | 0.45 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | obol ![]() |
StandardStandard.: |
Image

S 307 - Poseidonia, silver, obol, 475-420 BC.jpg [1]
References
Die study referencePublication of the study: | Brousseau 20091Brousseau 2009, p. 375-382 (O1-O30) | ||
Coin series referenceReference to coin series study: | HN Italy2HN Italy, n° 1121 |
Obverse dies distribution
FrequencyFrequency of specimen in distribution. ᵖ | Number of obversesNumber of obverse dies. ᵖ (o) | % (o) | Number of coinsNumber of coins. (n) | % (n) | Die nameName(s) of the die(s). |
1 | 7 | 24.14 | 7 | 7.22 | 12;17;26;27;28;29;30 |
2 | 5 | 17.24 | 10 | 10.31 | 4;5;6;16;21 |
3 | 5 | 17.24 | 15 | 15.46 | 2;9;11;15;19 |
4 | 3 | 10.34 | 12 | 12.37 | 18;20;24 |
5 | 6 | 20.69 | 30 | 30.93 | 3;7;13;22;23;25 |
6 | 1 | 3.45 | 6 | 6.19 | 10 |
8 | 1 | 3.45 | 8 | 8.25 | 1 |
9 | 1 | 3.45 | 9 | 9.28 | 14 |
Total | 29 of 29 | 100 | 97 of 97 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
Number of obversesNumber of obverse dies. ᵖ (o) | 29 | Number of singletons (o1)The number of singleton coins. ᵖ | 7 |
Number of reverse diesNumber of reverse dies. (r) | 31 | Number of coinsNumber of coins. (n) | 97 |
Coins per obverse dieNumber of coins per obverse die. (n/o) | 3.34 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 3.13 |
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.07 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 24.14 % |
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 35.5 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 710,000 |
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O) | 41.37 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00014 |
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 92.78% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 5,464.79 |
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ | 320 kg <br /> 320 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 13,661.97 |
Remarks