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FRANKFURT, GERMANY - NOVEMBER 12: The German Central Bank's (Bundesbank) member of the board Carl-Ludwig displays 20 euro banknote in a press conference at the headquarters of the German Central Bank (Bundesbank) in Frankfurt, Germany on November 12, 2105. (Photo by Abdulselam Durdak/Anadolu Agency/Getty Images)

FRANKFURT, GERMANY - NOVEMBER 12: The German Central Bank's (Bundesbank) member of the board Carl-Ludwig displays 20 euro banknote in a press conference at the headquarters of the German Central Bank (Bundesbank) in Frankfurt, Germany on November 12, 2105. (Photo by Abdulselam Durdak/Anadolu Agency/Getty Images)