Abdera, silver, tetradrachms (griffin/ethnic in incuse square) (439/7-411/10 BCE)
From SILVER
439 BCE - 410 BCE Silver 6,978 kg
Description
| Obverse: | KA – Λ – ΛIΔ – AMA – Σ (Greek).Griffin seated l., with rounded wings, r. foreleg raised, below, tunny. |
| Reverse: | ABΔ – HP – ITE – ΩN (Greek).Inscription around the border of an incuse square, within which, a quadripartite square. |
Mint and issuing power
| Mint: | Abdera | Ancient region: | Thrace | Modern country: Greece | Authority: |
Chronology
| From | 439 BCE | to | 410 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 13.95 | Denomination: | tetradrachm |
Standard: |
Image

References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1May 1966, p. 161-176 (Groups LXXI-LXXXVIII) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RQEMAC, n° 105, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 3, 1158 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 5 | 26.32 | 5 | 9.43 | 164, 165, 179, 183, 186 |
| 2 | 6 | 31.58 | 12 | 22.64 | 163, 166, 167, 168, 175, 184 |
| 3 | 2 | 10.53 | 6 | 11.32 | 176, 180 |
| 4 | 3 | 15.79 | 12 | 22.64 | 177, 182, 185 |
| 5 | 1 | 5.26 | 5 | 9.43 | 181 |
| 6 | 1 | 5.26 | 6 | 11.32 | 178 |
| 7 | 1 | 5.26 | 7 | 13.21 | 187 |
| Total | 19 of 19 | 100 | 53 of 53 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 19 | Number of singletons (o1) ᵖ | 5 |
| Number of reverse dies (r) | Number of coins (n) | 53 | |
| Coins per obverse die (n/o) | 2.79 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 26.32 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 25.01 | Coins struck if 20,000 as average productivity per die ᵖ | 500,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 29.62 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00011 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 90.57% | Die productivity if survival rate 1/2,000 ᵖ | 4,238.3 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 6,978 kg <br /> 6,978 kg | Die productivity if survival rate 1/5,000 ᵖ | 10,595.76 |
Remarks
Most likely one single workstation