100 Piso Light purple

The 20% abacá content in these notes is not decorative policy — abacá, a banana-species plant fiber cultivated primarily in the Philippines, has been used in Philippine banknote paper since the 1950s, and the country remains the world's dominant producer of the material. Using it in the substrate gives the Bangko Sentral a degree of genuine supply-chain independence unusual for a central bank that otherwise relies on a foreign printer.

Oberthur Fiduciaire printed this series in France throughout the issue window, a contract arrangement that continued well past the BSP's stated goal of eventually internalizing production through its own Security Plant Complex in Quezon City.