Charta communis
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Lat.
In old English law
A common or mutual charter or deed; one containing mutual co« venants, or involving mutuality of obligation; one to which both parties might have occasion to refer, to establish their respective rights. Bract, fol.
33 b, 84.
Hence these deeds were executed in two parts, each party keeping one, and were otherwise termed chartos cyrographatce, chirographed charters. Id. ibid.