500 Piso Without horizontal lines

The "without horizontal lines" designation distinguishes this from the earlier New Generation Currency series variant — the two are superficially identical but differ in a subtle background security element, a change introduced quietly mid-run rather than at a denomination reissue. Oberthur Fiduciaire's involvement placed production entirely in France across what became a decade-long print run spanning two presidential administrations.

The abacá fiber content is the more interesting material detail: the Philippines is the world's primary source of abacá, and its inclusion in the note substrate is a deliberate domestic sourcing decision, not incidental.