Writing to front: No.
Poste Vaticane Stamp for sale
Stamps of Vatican City: Papal Issues (1933) - Philatelic Database
Poste Vaticane Stamp for sale
Vatican, Europe, Stamps - PicClick
Writing to front: No.
Vatican post stamps 1933, Sc A8, A9, Set of 5, MLH, A8-#30 used
Vatican Stamps
Stamps from Vatican - - The free online stampcatalogue with over 500.000 stamps listed.
Vatican Stamps
Vatican Stamps
Big Blue 1840-1940: Vatican City
Introduction to the Postage Stamps of Vatican City
Writing to front: No.
Vatican post stamps 1933, Sc A8, A9, Set of 5, MLH, A8-#30 used
Stamps from Vatican - - The free online stampcatalogue with over 500.000 stamps listed.