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出典:『Wikipedia』 (2011/06/17 14:48 UTC 版)

英語による解説

引用

The dobla (plural: doblas), including dobla castellana (excelente), gran dobla, dobla de la Banda, dobla cruzada, dobla alfonsi and dobla almohade, was the name of various Iberian gold coins between the 11th and 16th centuries, ranging in value from 2-870 maravedis, depending on the year. The name originated as the "double maravedi" (hence "dobla"), a term used by Castilians for the Muslim dinar, when the maravedí was re-valued as equivalent to the Muslim half-dinar, or masmudina, by Ferdinand III. However, years later, the dobla became various new coins, and at times, a dobla was the same as the newer coins enrique or castellano (but the dobla castellana became double their value in 1475). In general, a dobla was a valuable gold coin, while the maravedi was de-valued into silver (c. 1258) or rarely copper forms. In the 16th century, the dobla was replaced by the ducado, then by the escudo (in 1537) as the standard gold coin of Spain.