S 1756 - Amphipolis? (Antigonus gonatas), silver, tetradrachms (246-229 BCE)
From SILVER
246 BCE - 229 BCE Silver 6,671 kg
Description
| Obverse: | Horned head of Pan to left, wearing goat's skin tied around his neck and with lagobolon behind, all within the center of a Macedonian shield adorned with seven stars within double crescents |
| Reverse: | BAΣIΛEΩΣ ANTIΓONOΥ (Greek).Athena Alkidemos striding to left, hurling thunderbolt with her upraised right hand and holding shield with her left, in field to left, Macedonian helmet with transverse crest, in field to right, HΛ monogram |
Mint and issuing power
| Mint: | Amphipolis | Ancient region: | Macedon | Modern country: Greece | Authority: | Antigonus II Gonatas (Antigonid king, 277/6-239 BC) |
Chronology
| From | 246 BCE | to | 229 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 17.00 | Denomination: | tetradrachm
|
Standard: | Attic |
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.]]1Panagopoulou 2020, p. 116-149, n° 1-136 (Period III) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear II, n° 6783-6784 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 10 | 2 | 0.59 | 7, 17 |
| 2 | 1 | 5 | 2 | 0.59 | 6 |
| 3 | 3 | 15 | 9 | 2.65 | 1, 5, 18 |
| 4 | 1 | 5 | 4 | 1.18 | 19 |
| 7 | 1 | 5 | 7 | 2.06 | 16 |
| 8 | 2 | 10 | 16 | 4.72 | 14, 15 |
| 10 | 1 | 5 | 10 | 2.95 | 2 |
| 11 | 1 | 5 | 11 | 3.24 | 20 |
| 16 | 1 | 5 | 16 | 4.72 | 9 |
| 17 | 1 | 5 | 17 | 5.01 | 12 |
| 22 | 1 | 5 | 22 | 6.49 | 8 |
| 31 | 1 | 5 | 31 | 9.14 | 3 |
| 32 | 1 | 5 | 32 | 9.44 | 13 |
| 53 | 1 | 5 | 53 | 15.63 | 10 |
| 79 | 1 | 5 | 79 | 23.3 | 11 |
| 28 | 1 | 5 | 28 | 8.26 | 4 |
| Total | 20 of 20 | 100 | 339 of 339 | 99.97 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 20 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 127 | Number of coins (n) | 339 |
| Coins per obverse die (n/o) | 16.95 | Coins per reverse die (n/r) | 2.67 |
| Reverse per obverse ratio (r/o) | 6.35 | Percentage of singletons (o1) ᵖ | 10 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 19.62 | Coins struck if 20,000 as average productivity per die ᵖ | 392,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 21.25 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00086 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 99.41% | Die productivity if survival rate 1/2,000 ᵖ | 34,556.57 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 6,671 kg <br /> 6,671 kg | Die productivity if survival rate 1/5,000 ᵖ | 86,391.44 |
Remarks
Most likely more than 2 workstations For die-links, see chart p. 114.
