translation
hr'wt 'tb'wt qwlhwn
sptwn swsgr [ ]
You ho[ly (and mighty)] angels
[I adjure] you, just as [this sherd]
[burns, so shall] burn the heart of R[. . . son/daughter of]
[Mar]ian after me, I . . [. . . and you should turn]
[his/her heart and mi]nd and kidney, so [that he/she will do]
my desire in this [ ]
(magic characters)