The College Seal (present location unknown) was in use about the mid 13^th century and depicts the winged figure of St. Michael and has a legend of: -

SANCTI MI[CHAELIS] [D]EP...

A brass matrix of the seal of the peculiar jurisdiction survives from the 17^th century. It is oval, about 50mm long, and depicts a dove on a branch holding another branch in its bill. The legend, roman is: -

SIGILLUM DAN‘ PIPER A.M. OFFICIALIS ET COMMISSARII PECULIARIS ET EXEMPTAE IURISDICTIONIS DE PENKRICH