1903
This was especially noteworthy as it would not be until the introduction of the Guldengroschen in 1486 that coins of substantial size ( particularly in silver ) would be minted in significant quantities .
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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:
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