Pattern coins from Bank Indonesia's 1970 series were produced as part of a competitive evaluation process for a new low-denomination coinage program, with several foreign mints — including those in the Netherlands and Germany — submitting proposals. Most surviving examples of this specific bronze pattern trace back to proof sets assembled for official presentation rather than any public release.
Pattern coins from Bank Indonesia's 1970 series were produced as part of a competitive evaluation process for a new low-denomination coinage program, with several foreign mints — including those in the Netherlands and Germany — submitting proposals. Most surviving examples of this specific bronze pattern trace back to proof sets assembled for official presentation rather than any public release.