case the king versus carew the court of chancery have admiral jurisdiction  letter of reprisal may be repeal in chancery after a peace though there be a  clause in the letter patent that no treaty of peace shall prejudice they the  case be that the defendant Carew as executor to I S be entitle to letter of  reprisal that be grant by the king to the defendant testator for a great sum  of money in which letter patent be a clause that no treaty of peace shall  prejudice they and the king have by several treaty of the peace with the Dutch  express article that the that shall not be prejudice by these letter patent  the question be whether the king can by any treaty of peace amortise these  letter patent and so deprive the party of the interest that be thereby vest in  he Mr Wallop of counsel with the defendant insist on time to argue it be a  weighty point that may well bear a great debate but the Lord chancellor will  not hear of it say that the Dutch ambassador never come into the king presence  but he be make fresh complaint and that it be a case for which there can be  nothing say and that the case be very proper in chancery for the repeal of  these letter patent for though the bar be not so well apprise of it yet the  chance have admiral jurisdiction by the statute of h Num or which be never  print since print h c Ruffheads statute at large and in proof that a treaty of  peace may revoke and amortise letter of reprisal his lordship say the same may  be do by a truce or by letter of safe conduct and a strong by a Vernon  chancery case treaty of peace and that it may be do by letter of safe conduct  he cite the statute of h rot and a judgement of the like nature give in the  parliament of England h Num and for a authority that a truce have the like  effect upon letter of reprisal he cite the roll of parliament h Num where the  Dane after a truce make with they have seize English ship by colour of letter  of reprisal there be no provision make against they in the truce and the  parliament there petition the king for letter of mark against the Dane Vid  post case et vide Lord Rockingham v Oxenden pre c where it appear that this  court have a concurrent jurisdiction with the admiralty and other court  peculiar to their jurisdiction so a information entertain for set aside letter  patent obtain by fraud attorneygeneral v Vernon other post and the Lord  chancellor it seem by his ordinary power be enable general to hold plea of  cognizant fac to repeal the king letter patent vide Inst