York was given a grant of murage dated 6/2/1414.
This was in the form of:-
Wording 
Grant to the citizens of York of murage for four years.
Granted by Henry V. (Regnal year 1). Granted at Westminster.
Primary Sources 
Maxwell Lyte, H.C. (ed), 1910, 
Calendar of Patent Rolls Henry V (1413-16) Vol. 1 p. 154 
online copy
 
Record created by Philip Davis. This record created 20/01/2009. Last updated on 03/05/2012. First published online 5/01/2013.