73 Earsham St
grid reference TM 333 897
listed building grade II
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last updated 11/04/2015
Not shown as a pub on any available OS map (back as far as 1885), so probably closed a long time ago. Even in 1885, the adjacent bridge is called "Cock Bridge", but the building is marked as "Bridge House".
Cock fighting (usually in a pit) was probably a regular feature near here (typically organised on Shrove Tuesday and other holidays), and hence the name was widespread until it was banned in 1795.
(Most pub, location & historic details collated by Nigel, Tony or Keith - original sources are credited)