A special first day of issue postmark was available for The medical works of the Order – The Saint John the Baptist Hospital in Rome, on the occasion of its 50th anniversary issued on 23 June 2022.

Designed by Giancarlo Federico, it reproduces the architectural structures of the San Giovanni Battista Hospital in Rome depicted on the stamp.
The postmark is completed by the inscriptions “SOVRANO MILITARE ORDINE DI MALTA”, “POSTE MAGISTRALI” and “GIORNO DI EMISSIONE”, the legend “OSPEDALE SAN GIOVANNI BATTISTA IN ROMA” and the date “23.VI.2022”.

Items for reposting, individually franked by the sender with stamps belonging to the relevant set, must reach Poste Magistrali by 23 August 2022. A suitable self-addressed envelope, bearing Order of Malta stamps corresponding to the ordinary (Posta4) or priority (Posta1) mail  rate in force in Italy, must be enclosed for the postmarked items to be returned under cover. For return by registered mail, please contact Poste Magistrali in advance.

Items to be returned uncovered must reach Poste Magistrali by 8 July 2022 and must be individually marked “Corrispondenza filatelica” (Philatelic correspondence) on the address side in indelible ink. In case of missing, it will be automatically applied by Poste Magistrali.