10 Centavos

Chile's aluminum coinage of this period emerged directly from the economic chaos following the 1973 coup, with the Pinochet government inheriting rampant inflation that made copper-based low denominations increasingly expensive to produce relative to their face value. The switch to aluminum was a straightforward cost-cutting measure, not a design initiative.

KM#205a replaced the copper-clad steel KM#205, which had itself only been introduced in 1971 under Allende.