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The tetarteron ( , " quarter coin " ) was a Byzantine term applied to two different coins , one gold circulating from the 960s to 1092 in parallel to the histamenon , and one copper used from 1092 to the second half of the 13th century .
 location: Byzantine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Byzantine 
Answer:
 location: Byzantine