satisfaction piece

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
SATISFACTION PIECE, Eng. practice. An instrument of writing in which it is 
declared that, satisfaction is acknowledged between the plaintiff and 
defendant. It is signed by the attorney, and on its production and the 
warrant of attorney to the clerk of the judgments, satisfactio is entered on 
payment, of certain fees. Lee's Dict. of Pr. tit. Satisfaction. 
    

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