25 Centavos

This series was struck during the Magsaysay-to-Macapagal transition years, a period when the Central Bank was actively managing a heavily controlled exchange rate that would eventually collapse into the 1962 decontrol program — the most significant shift in Philippine monetary policy since independence. The decontrol effectively ended the peso's artificial peg to the dollar and triggered immediate inflation, which accelerated coin hoarding and sharply reduced the practical circulation of this denomination in its final years of issue.