AC 194 - Athens, silver, didrachms (475-449 BCE)

Die Studies Database

SILVER IDUnique ID of the page ^ᵖ: 7514

475 BCE - 449 BCE Silver 9,202 kg

Description

ObverseInscription or printing placed on the obverse.:	Head of Athena r., wearing crested Attic helmet decorated with three olive leaves and volute, disc-shaped ear-clip and necklace
ReverseInscription or printing placed on the reverse.:	AΘE (Greek).Within incuse round, shallow incuse square, in which owl standing r., head facing, in field r., AΘE, l., two olive leaves, the l. one overlapping the frame

Mint and issuing power

MintIdentifies the place of manufacture or issue of a numismatic object.:

Athens

Ancient regionAncient region.:

Attica

Modern countryModern country: Greece

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..

449 BCE

PeriodTime period of the numismatic object.: Classical 480-323 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

8.55

DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.:

didrachm

StandardStandard.:

Attic

Image

AC194 Athens didrachm.jpg [1]

References

Die study referencePublication of the study:	Starr 19701Starr 1970, Groups II-IV
Coin series referenceReference to coin series study:	Sear I2Sear I, n° 2522, RQEMAC3RQEMAC, n° 194

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	16	69.57	16	45.71	22, 23, 25, 37, 38, 65, 66, 68, 69, 71, 88, 89, 90, 121, 122
2	5	21.74	10	28.57	24, 39, 67, 70, 119
4	1	4.35	4	11.43	123
5	1	4.35	5	14.29	87
Total	23 of 23	100.01	35 of 35	100

Reverse dies distribution

no distribution is available

Quantification

Number of obversesNumber of obverse dies. ᵖ (o)	23	Number of singletons (o1)The number of singleton coins. ᵖ	16
Number of reverse diesNumber of reverse dies. (r)	c. 26"c" can not be assigned to a declared number type with value 0.26.	Number of coinsNumber of coins. (n)	35
Coins per obverse dieNumber of coins per obverse die. (n/o)	1.52	Coins per reverse dieNumber of coins per reverse die. (n/r)
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)		Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ	69.57 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ	53.81	Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ	1,076,200
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)	67.08	Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ	0.00003
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O)	54.29%	Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ	1,300.87
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	9,202 kg <br /> 9,202 kg	Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ	3,252.18

Remarks