Pattern coins struck for Bank Indonesia in 1970 were part of a broader evaluation process as the country worked to stabilize its currency following the catastrophic hyperinflation of the Sukarno years — by some estimates, inflation had reached 650% annually by 1965. This particular denomination was never adopted for circulation, making surviving examples genuinely rare outside institutional collections.
Pattern coins struck for Bank Indonesia in 1970 were part of a broader evaluation process as the country worked to stabilize its currency following the catastrophic hyperinflation of the Sukarno years — by some estimates, inflation had reached 650% annually by 1965. This particular denomination was never adopted for circulation, making surviving examples genuinely rare outside institutional collections.