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In page Roger II of Sicily:

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In 1140 at his assembly at Ariano he introduced new coinage to make it easier to trade with the rest of the Mediterranean, as there were smaller denominations of the previous coins, to allow more accurate and efficient trading. However, although this new coinage made long distance trade easier it was very detrimental to local trade which spread "hatred throughout Italy."[1] By the 1150s most of this coinage was no longer in use and soon after, it disappeared altogether.