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<p>[QUOTE="Valentinian, post: 4132742, member: 44316"]The original post does not make it clear, as later posts do, that there were <b>two</b> coin reforms under Anastasius. The first one, which Grierson [<i>Byzantine Coins</i>] dates to 498, introduced the 20-nummia and 40-nummia denominations, but relatively small at c. 19 mm and 25 mm and only c. 4 grams and c. 8 grams, far less than 20 and 40 times the weight of the 1-nummis coin which was in the 1-gram range. </p><p><br /></p><p>Discontent lead to a second reform, c. 512, which greatly increased the sizes and doubled the weights of the 20 (K) and 40 (M) pieces. Many M pieces are 34 mm and 18 grams (although Byzantine AE coins are not known for consistency of weights). </p><p><br /></p><p>My page "Introduction to Byzantine Coins" has a discussion of the reforms. </p><p><a href="http://augustuscoins.com/ed/Byz/#copper" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://augustuscoins.com/ed/Byz/#copper" rel="nofollow">http://augustuscoins.com/ed/Byz/#copper</a></p><p>Here is a picture with 1 and 40-nummus pieces of the two reforms to scale.</p><p><br /></p><p>[ATTACH=full]1069814[/ATTACH] </p><p><br /></p><p>Prior to the first reform the wretched nummus was the only denomination commonly circulating. The coinage system was not working well at all. The reforms of Anastasius helped put it on a much sounder footing.[/QUOTE]</p><p><br /></p>
[QUOTE="Valentinian, post: 4132742, member: 44316"]The original post does not make it clear, as later posts do, that there were [B]two[/B] coin reforms under Anastasius. The first one, which Grierson [[I]Byzantine Coins[/I]] dates to 498, introduced the 20-nummia and 40-nummia denominations, but relatively small at c. 19 mm and 25 mm and only c. 4 grams and c. 8 grams, far less than 20 and 40 times the weight of the 1-nummis coin which was in the 1-gram range. Discontent lead to a second reform, c. 512, which greatly increased the sizes and doubled the weights of the 20 (K) and 40 (M) pieces. Many M pieces are 34 mm and 18 grams (although Byzantine AE coins are not known for consistency of weights). My page "Introduction to Byzantine Coins" has a discussion of the reforms. [URL]http://augustuscoins.com/ed/Byz/#copper[/URL] Here is a picture with 1 and 40-nummus pieces of the two reforms to scale. [ATTACH=full]1069814[/ATTACH] Prior to the first reform the wretched nummus was the only denomination commonly circulating. The coinage system was not working well at all. The reforms of Anastasius helped put it on a much sounder footing.[/QUOTE]
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