Lincoln was given a grant of murage dated 9/5/1286.
This was in the form of:-
Wording 
Grant to the mayor and bailiffs of Lincoln of murage for seven years.
Granted by Edward I. (Regnal year 14). Granted at Canterbury.
Primary Sources 
Maxwell Lyte, H.C. (ed), 1893, 
Calendar of Patent Rolls Edward I (1281-91) Vol. 2 p. 243 
online copy
Secondary Sources 
Coulson, Charles, 2009, Murage Grants (Handwritten list and notes)
     
Record created by Philip Davis. This record created 09/01/2009. Last updated on 03/05/2012. First published online 5/01/2013.