Peter, a "Negro boy," received a payment from Joseph Storer who was serving as the administrator of the estate of John Storer. Peter may have been enslaved by John and/or Joseph Storer, but no record of this has been located.
"Joseph Storer's account of costs and disbursements of £533/14/6 as admor of the estate of John Storer includes payments ... to Peter, Negro boy, 64/ ... Att & all, York, 1st Monday in January 1773." - Frost's Probate Abstracts, p. 690
Bibliography:
Maine Probate Abstracts Vol I 1687-1775 - John Eldridge Frost (1991)