7th Centenary of the first Conclave. 1271 – Election of Pope Georgius X in Viterbo.
Special Cancellation on Special Envelop
|Description||Pope Gregory X c. 1210 – 10 January 1276), born Teobaldo Visconti, was head of the Catholic Church and ruler of the Papal States from 1 September 1271 to his death and was a member of the Secular Franciscan Order. He was elected at the conclusion of a papal election that ran from 1268 to 1271, the longest papal election in the history of the Catholic Church.
Stamp Italy Sc. 1027- The completion of the automatic trunk telephone dialing system
Stamp Vatican City Sc. 500 – Angel Holding Lectern by Corrado Ruffini
|Used/Unused||Special Cancellation – Viterbo, 6.06.1971
Circular Cancellation – Vatican City, 6.06.1971