Peru shifted this denomination to brass during World War II as silver and cupronickel supplies were redirected or constrained by wartime materials demands across Latin America — a pattern seen in a dozen countries simultaneously. The 1945 introduction coincided with Peru's late entry into the war on the Allied side, a largely symbolic declaration made in February of that year to secure postwar international standing.
The type ran twenty years without design change, a period that saw Peru's sol eroded by persistent inflation throughout the 1950s.
Peru shifted this denomination to brass during World War II as silver and cupronickel supplies were redirected or constrained by wartime materials demands across Latin America — a pattern seen in a dozen countries simultaneously. The 1945 introduction coincided with Peru's late entry into the war on the Allied side, a largely symbolic declaration made in February of that year to secure postwar international standing.
The type ran twenty years without design change, a period that saw Peru's sol eroded by persistent inflation throughout the 1950s.