In the reign of Henry IV (1399–1413), the penny was reduced in weight to 15 grains (0.97 g) of silver, with a further reduction to 12 grains (0.78 g) in 1464.
Në mbretërimin e Henry IV (1399–1413), peni u reduktua në peshë në 0.97 gram argjend, me një reduktim tjetër prej 0.78 g në 1464.