Coupon Receipt. It has an almost imperceptible inscription "14/2/3" in ink above the crown of each stamp.
Palace of Communications of Madrid, Valencia and Barcelona. Overprinted.
Commemorative of the 88th anniversary of the foundation of the Telegraph Corps.
Commemorative of the 89th anniversary of the foundation of the Telegraph Corps.
Commemorative of the 89th anniversary of the foundation of the Telegraph Corps.
Commemorative of the 90th anniversary of the foundation of the Telegraph Corps.
Commemorative of the 90th anniversary of the foundation of the Telegraph Corps.