all stamps : Stamps for sale - Vatican City
Now showing: Vatican City - Postage stamps (1929 - 2024) - 1 stamps.
1991
The 100th Anniversary of the Rerum Novarum of Pope Leo XIII
23. May WM: None Perforation: 13¾ x 13¼
![[The 100th Anniversary of the Rerum Novarum of Pope Leo XIII, type ACK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Vatican-City/Postage-stamps/ACK-s.jpg)