The seal of any notary public reappointed after the effective date of the act to which this act is a supplement, and prior to the effective date of this act, on which seal there is engraved the name, surname, the words "Notary Public," and the location of the office of the notary using the same, shall be a valid and legal seal during the term for which he or she was reappointed, notwithstanding the fact that in addition thereto it has engraved thereon the arms of this Commonwealth; and all the acts, instruments and attestations of such notary authenticated by such seal shall be as valid and binding as though the arms of this Commonwealth were not thereon.
57 P.S. § 31a