Each magisterial district shall have a seal, which shall be in the custody of the magisterial district judge elected or appointed for such district. The official acts of the magisterial district judge shall be authenticated therewith. There shall be engraved on the seal such inscription as may be specified by general rule. A facsimile or preprinted seal may be used for all purposes in lieu of the original seal.
42 Pa.C.S. § 1512