Alexandria (Ptolemy IX), silver, tetradrachms (Ptolemy I/eagle on thunderbolt) (117-107 BCE)

Die Studies Database

SILVER ID ^ᵖ: 8817

117 BCE - 107 BCE Silver 86,078 kg

Description

Obverse:	Crowned head of Ptolemy I right, aegis around neck
Reverse:	ΒΑΣΙΛΕΩΣ ΠΤΟΛΕΜΑΙΟΥ (Greek).Eagle standing to left on thunderbolt, date in field

Mint and issuing power

Mint:

Alexandria

Ancient region:

Egypt

Modern country: Egypt

Authority:

Cleopatra III of Egypt (Ptolemaic queen, 142-131 and 127-116 BC), Ptolemy IX Soter II (Ptolemaic king, 116-110, 109-107 and 88-81 BC)

Chronology

From

117 BCE

to

107 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

14.10

Denomination:

tetradrachm

Standard:

Ptolemaic

Image

]]S 675 - Alexandria Tetradrachm 117-107 BC (Olivier 2012, Planche LIX, 4903).png

References

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Olivier 2012, p. 211-234, no. 4783-4915, 4921-4931 and 4933-5798.
Coin series reference:	"[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Svoronos 1904-1908, n° 671

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
3	34	13.08	102		177, 182, 188, 201, 205, 214, 216, 224, 226, 236, 240, 249, 264, 265, 267, 273, 280, 308, 309, 313, 344, 346, 348, 352, 353, 362, 367, 376, 383, 391, 398, 402, 429, 430
4	21	8.08	84		171, 180, 190, 197, 202, 209, 237, 238, 266, 305, 306, 334, 343, 354, 363, 374, 375, 387, 390, 393, 414
5	16	6.15	80		179, 184, 199, 200, 204, 230, 239, 261, 263, 289, 307, 404, 409, 412, 413, 415
6	13	5	78		196, 208, 233, 234, 260, 262, 277, 287, 298, 373, 381, 382, 385
7	8	3.08	56		232, 284, 286, 290, 303, 347, 407, 410
8	8	3.08	64		235, 259, 279, 285, 302, 361, 386, 403
9	8	3.08	72		235, 259, 279, 285, 302, 361, 386, 403
10	6	2.31	60		282, 291, 293, 295, 300, 325
11	4	1.54	44		332, 371, 372, 418
12	5	1.92	60		256, 257, 329, 330, 331
13	1	0.38	13		328
14	1	0.38	14		294
15	3	1.15	45		299, 301, 327
16	1	0.38	16		380
17	1	0.38	17		292
20	1	0.38	20		288
1	74	28.46	74		168, 173, 174, 175, 176, 186, 187, 189, 191, 195, 206, 207, 211, 212, 217, 218, 219, 225, 227, 228, 229, 244, 245, 246, 248, 251, 252, 253, 254, 255, 271, 275, 276, 296, 315, 316, 318, 319, 321, 322, 323, 324, 333, 337, 339, 340, 342, 349, 355, 357, 359, 360, 366, 368, 370, 377, 378, 379, 392, 394, 395, 397, 400, 401, 405, 406, 408, 417, 419, 420, 422, 423, 425, 427
2	55	21.15	110		167, 169, 170, 172, 178, 181, 183, 185, 192, 193, 194, 198, 203, 210, 213, 215, 241, 242, 243, 247, 250, 268, 269, 270, 272, 274, 304, 310, 311, 312, 314, 317, 320, 335, 336, 338, 341, 345, 350, 351, 356, 358, 364, 365, 369, 388, 389, 396, 399, 411, 416, 421, 424, 426, 428
Total	260 of 260	99.98	1009 of 1,009

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	260	Number of singletons (o1) ᵖ	74
Number of reverse dies (r)	716	Number of coins (n)	1009
Coins per obverse die (n/o)	3.88	Coins per reverse die (n/r)	1.41
Reverse per obverse ratio (r/o)	2.75	Percentage of singletons (o1) ᵖ	28.46 %
Original number of dies (O) (Carter 1983 formula) ᵖ	305.24	Coins struck if 20,000 as average productivity per die ᵖ	6,104,800
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	350.25	Survival rate if 20,000 as average productivity per die ᵖ	0.00017
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	92.67%	Die productivity if survival rate 1/2,000 ᵖ	6,611.19
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	86,078 kg <br /> 86,078 kg	Die productivity if survival rate 1/5,000 ᵖ	16,527.98

Remarks

Certainly military