Complex sentence: The volcano on the central oval design is an allegorical representation of the coat of arms existing at the time, the stamps depicts Izalco volcano (popularly known as El Faro del Pacífico-The Lighthouse of the Pacific).
Split into simpler sentences: The volcano on the central oval design is an allegorical representation of the coat of arms existing at the time. The stamps depicts Izalco volcano (popularly known as El Faro del Pacífico-The Lighthouse of the Pacific).