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The basilikon ( , " imperial [ coin ] " ) , commonly also referred to as the doukaton ( Greek : δουκάτον ) , was a widely circulated Byzantine silver coin of the first half of the 14th century .
 location: Byzantine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Byzantine