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A structure of the Euro currency sign is seen through the window on a rainy evening in Frankfurt July 13, 2012.
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The Euro currency sign is seen next to the European Central Bank (ECB) headquarters in Frankfurt November 6, 2012.
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The Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt April 4, 2013.
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The Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt September 6, 2012.
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A Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt September 6, 2012.
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The Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt December 6, 2012.
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The Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt November 6, 2012.
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Pharmaceutical tablets and capsules are arranged in the shape of a Euro currency sign on a table in this picture illustration, August 20, 2014.
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A structure showing the Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt July 11, 2012.
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A sculpture showing the euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt, April 1, 2010.
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A sculpture showing the Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt, December 5, 2010.
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A sculpture showing the euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt, August 18, 2010.
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A sculpture showing the Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt June 29, 2012.
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A sculpture showing the Euro currency sign is seen in front of the European Central Bank (ECB) headquarters in Frankfurt February 29, 2012.
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File photo of sculpture showing the Euro currency sign in front of the European Central Bank (ECB) headquarters in Frankfurt February 29, 2012.
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Window cleaners are seen on a building next to the Euro currency sign of the European Central Bank (ECB) in Frankfurt October 19, 2012.