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In page Thomas Becket:

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As the scion of a mercantile dynasty of later centuries, Mercers, Becket was much regarded as a Londoner by citizens and adopted as London's co-patron saint with Saint Paul: both appear on the seals of the city and of the Lord Mayor.[citation needed] The Bridge House Estates seal has only a Becket image, while his martyrdom is shown on the reverse.[citation needed]