Spain 1916 War Tax Stamp, King Alfonso XIII

Spain · 1916 · 5c

This stamp features a left-facing portrait of King Alfonso XIII, who reigned during a period of significant political instability in Spain. The design is framed by ornate scrollwork, with 'IMPUESTO DE GUERRA' (War Tax) inscribed at the top and the denomination '5 CENTIMOS' at the bottom. The stamp is printed in a distinctive carmine or rose color.

Issued during World War I, this war tax stamp was used to raise revenue for the Spanish state, even though Spain remained officially neutral throughout the conflict. The tax was often required on postal items in addition to regular postage.