New Stamp and Special Postmark by the Postal and Philatelic Service for the Centenary of the Pontifical Institute of Christian Archaeology (Piac)
In 2025 the Pontifical Institute of Christian Archaeology marks its first one hundred years of activity, and the Postal and Philatelic Service of the Governorate of Vatican City State—together with Luxembourg, with which it is issuing a joint release—celebrates this anniversary with a postage stamp dedicated to a century of scientific activity and the safeguarding of Christian-era archaeological heritage.