Kings Lynn (Lenne) was given a grant of murage dated 15/7/1312.
This was in the form of:-
Wording 
Mandate to the mayor, good men, and entire commonalty to the town of Lenne, to victual and put the town in a state of defence against all attacks of the king's enemies. If any disturbers of the peace come there, they are to be arrested and imprisoned. By K.
Granted by Edward II. (Regnal year 5). Granted at Westminster. Granted by K..
Primary Sources 
Maxwell Lyte, H.C. (ed), 1894, 
Calendar of Patent Rolls Edward II (1307-13) Vol. 1 p. 480 
online copy
Secondary Sources 
Coulson, Charles, 2009, Murage Grants (Handwritten list and notes)
     
Record created by Philip Davis. This record created 05/02/2009. Last updated on 03/05/2012. First published online 5/01/2013.