Green Silver
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A feudal custom in the manor of Writtel, in Essex, where every tenant whose front door opens to Greenbury shall pay a half -penny yearly to the lord, by the name of "green silver" or "rent."
Cowell.