Deed of exchange Deed of exchange by which Henry Lewis Prytherch of Penmynydd gives to John ap Richard ap John ap Harry of Penmon a parcel of two yards' ground in Penmon called Yr Allt o fewn Cae'r Fron, while the latter gives H.L. a three yards’ parcel lying over against the house of H.L.; John ap R. also grants right of access to H.L. to reach the highway 18 October 1582