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2 .5<br />
between 0.6 and 3.0 grams, which apparently points to the existence <strong>of</strong> different<br />
denominations (hemi-oboli and oboli).<br />
In Bukhara itself and in adjacent areas, large silver coins – ‘tetradrachms’ weighing<br />
9–11 grams – were being minted, indicating a departure from comparable prototypes<br />
both in terms <strong>of</strong> weight standards and iconography: the ‘portrait’ <strong>of</strong> Euthydemus was<br />
replaced by the image <strong>of</strong> a local ruler, and the Greek legend by a Sogdian one.<br />
Thus, throughout this period, Sogdian markets were well supplied with both<br />
small silver coins in various denominations and larger ones. Moreover, the smallest<br />
silver coins weighing 0.3–0.6 grams replaced bronze coins that were not found here<br />
and were used for small change, while large commercial transactions in Sogdia were<br />
undertaken with ‘tetradrachms’ imitating Euthydemus coins.<br />
The reasons for the absence <strong>of</strong> bronze coins in Sogdia, both in this and earlier<br />
periods, remain unclear. The increasing number <strong>of</strong> discoveries <strong>of</strong> coin hoards<br />
containing only ‘tetradrachms’ or only small silver coins points to the accumulation<br />
<strong>of</strong> large sums <strong>of</strong> money by a particular segment <strong>of</strong> the Sogdian population.<br />
The makeup <strong>of</strong> the coin supply in Sogdia and in Bactria during this period was<br />
quite different in every respect, suggesting fundamental differences between the<br />
dynasties and the polities <strong>of</strong> these regions. Bactria was a part <strong>of</strong> the Kushan kingdom,<br />
while Sogdia was ruled by four independent dynasties during the same period, and<br />
this was reflected in its coinage (imitations <strong>of</strong> Euthydemus tetradrachms, Hyrcodes<br />
coins, coins depicting an archer, coins depicting Heracles and Zeus).<br />
Important changes to coinage were also taking place in Khorezm: which was<br />
experiencing a shift from the use <strong>of</strong> imitation coins to that <strong>of</strong> fully independent<br />
coinage. The earliest stage <strong>of</strong> development <strong>of</strong> coin minting in Khorezm is represented<br />
by group A coins. The coins belonging to this group clearly reflect the introduction<br />
<strong>of</strong> new elements, such as the use <strong>of</strong> a Khorezmian royal tamga and the image <strong>of</strong> a<br />
horseman instead <strong>of</strong> one <strong>of</strong> the Dioscuri on the reverse, with an image <strong>of</strong> the ruler<br />
on the obverse. Altogether there are three sequential stages, which reflect the<br />
development <strong>of</strong> Khorezmian coinage. The first stage <strong>of</strong> Group A coins – Group A I –<br />
includes the earliest coin shown by V.M. Masson, which differs from the Eucratides<br />
tetradrachm in such details as the image <strong>of</strong> a face on the obverse and the presence<br />
<strong>of</strong> a royal Khorezmian tamga on the reverse. The next stage – Group A II coins – is<br />
represented by the coins from the Samarkand Museum, which – according to B.I.<br />
Vainberg – were minted using coins from Group A I as a model. Finally, coins from<br />
Group A III contain some <strong>of</strong> the features <strong>of</strong> the previous groups, but they include<br />
fundamentally new changes: the bust <strong>of</strong> a beardless king on the obverse, behind<br />
whom is a schematic image <strong>of</strong> the goddess Nike crowning the king, and the image<br />
<strong>of</strong> a horseman riding <strong>of</strong>f to the right on the reverse. The Group A coins are made <strong>of</strong><br />
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