On 27 May 2025, the Vatican's Philatelic and Numismatic Office released its first official postage stamps featuring Pope Leo XIV. The series comprises four stamps, each capturing key events from the initial phase of his pontificate. The €1.25 and €2.45 stamps depict Pope Leo XIV’s first public appearance on the balcony of St Peter’s Basilica on 8 May, immediately following his election. The €1.30 and €3.20 stamps showcase moments from the Mass he celebrated with the College of Cardinals in the Sistine Chapel on 9 May.