Stamps Year 1991

886 - I Centenary of the Foundation of the Vatican Observatory
Manuel Briones
885 - I Centenary of the Foundation of the Vatican Observatory
Manuel Briones
883 - L Anniversary of the Encyclical "Rerum Novarum" of Pope Leo XIII
Manuel Briones
880 - Restoration of the Sistine Chapel
Manuel Briones
877 - Restoration of the Sistine Chapel
Manuel Briones
875 - Restoration of the Sistine Chapel
Manuel Briones
871 - Restoration of the Sistine Chapel
Manuel Briones
1011 - Pro Christmas for the Postal Worker and Children's Kitchens
Manuel Briones
1011 - Pro Christmas for the Postal Worker and Children's Kitchens
Manuel Briones
1424 - Our Lady of the Joy of the Child
Manuel Briones