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On the sign:
THE HOUSE OF JOHN FOSTER, MAYOR OF BRISTOL 1481 AND FOUNDER OF FOSTERS ALMSHOUSE AND THE CHAPEL OF THE THREE KINGS OF COLOGNE.
The sign is on the wall of the house of John Foster who was a fish and wool merchant who also served as Bristols mayor and representative in Parliament. He founded Fosters Almshouses in 1483 to serve as a place of shelter for the poor, and the Chapel of the Three Kings of Cologne in 1504.