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His 1910 revenue catalogue lists his numerous exhibition medals , including Silver in Paris 1892 , Gold in Paris 1894 , Silver in London 1897 and Gold in Paris again in 1900 , all for displays of Fiscal or Telegraph stamps .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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