Numism > Reading For the Advanced Ancient Coin Collector
Weights, Diameters and Composition of Ancient Coins
Lloyd Taylor:
--- Quote from: Joe Sermarini on February 22, 2003, 11:01:34 pm ---There isn't any one place to find the weight, diameter and composition of all the various types of ancient coins. These facts are often buried throughout references. When you come across this type of information, please post it here.
--- End quote ---
You might be interested in the following plot, which elegantly summarizes a couple of centuries of debasement of the Denarius.
(Source: Popular Delusions When to Sell Gold by Dylan Grice - Societe Generale Cross Asset Research Strategy Document 23 March 2010)
Kevin D:
Michael H. Crawford ‘Coinage And Money Under The Roman Republic’ (1985)
Page 335, App. C The silver content of coins of Magna Graecia (p. 33).
[chlorsilber (silver chloride, ‘horn silver’)]
Silver Chlorsilber Copper Lead Reference
Neapolis ? 87.55 5.77 ? ? (1)
Neapolis Didrachm 91.63 trace 7.13 0.88 (2)
Neapolis Didrachm 93.02 - 5.77 1.09 (2)
Neapolis Didrachm 92.55 - 6.02 1.22 (2)
Velia ? 85.37 8.48 ? ? (1)
Thurium Diobol 91.09 trace 7.15 trace (2)
Thurium Diobol 92.00 - 7.03 0.73 (2)
Heraclea ? 76.27 13.04 ? ? (1)
Heraclea Diobol 94.14 - 5.58 0.10 (2)
Tarentum Obol 88.45 some 10.19 0.51 (2)
References:
(1) GGA 1843, 2, 1289.
(2) E. Bibra, 'Uber alte Eisen- und Silberfunde (Nürnberg and Leipzig, 1873).
Henry S:
Got a chance to XRF a Philip II AV Stater and a Alexander III AV Stater (Teos, ca. 310-301 BC, Price -; Hersh-; Arena 16, pl. 13, 30.)
The Philip Stater was 99.82% gold, .09% Silver, and .07% Copper, with a trace of selenium.
The Alexander Stater was 99.5% gold, .25% silver, .14% copper, and .1% selenium.
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