100 Piso Dark purple, With horizontal bars

The 20% abacá content in Philippine banknote paper is not decorative nationalism — abacá fiber (from a banana relative endemic to the Philippines) genuinely improves tensile strength and wear resistance, and the BSP has used it as a deliberate differentiator since the Security Plant Complex began producing notes domestically. The dark purple "with horizontal bars" designation distinguishes this from earlier 100 Piso printings in the New Generation Currency series, the bars being security-enhancement overprints added to combat counterfeiting that had become a documented problem with the cleaner earlier design.