The dispute does not appear to have soured relations between the company and its brand spokesman, Argentine polo player Nacho Figueras, but the accusations blemish the reputation of a company that fosters a squeaky-clean image.

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In 2011, Macy's launched a campaign to honor its brand heritage, the spokesman said.

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He is a Samsung Galaxy spokesman, but no one is fingering the Korean brand as the culprit.

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When we called Gallo, a spokesman told us the commemorative bottle of McWilliams, which is a Gallo brand, is meant as a souvenir, so the servers don't usually pour it.

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"As a result of our plans, customers travelling with us will use faster brand new trains with more seats, serving more destinations than the current service, " a spokesman said.

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The tennis player would seem at first glance to be a spokesman more suited to endorsing a sports brand like Nike or Adidas, rather than a casual-wear brand like Uniqlo.

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