21 Pa. Stat. § 384
All letters of attorney authorizing contracts to be made, the adjustment of accounts, the sale of stocks and personal estate, the receipt of moneys, or the discharge and acquittance of legacies or distributive shares when executed, proved or acknowledged in other states or foreign countries, by any person or husband and wife, in manner authorized to allow letters of attorney for the conveyance of real estate to be put on record, or if proved or acknowledged in like manner before any minister, consul or vice-consul of the United States, or officer thereof exercising ministerial or consular functions, or before a notary public in foreign countries, and duly certified under his official seal, may be placed of record in the recorder of deeds office, in any county where the powers conferred by such letters are intended to be exercised, and receivable in evidence in courts of justice, as also the exemplifications from the record thereof, when the originals shall have been lost.
21 P.S. § 384