Philippines 50 Piso 2025 Polymer — Prefix NB: Regular issue or Replacement? [resuelto]

I’ve recently noticed the new 50 Piso Polymer banknotes from the Philippines dated 2025 appearing with the NB prefix.

Does anyone have information regarding the status of this prefix? I am trying to determine if NB is a standard circulation prefix for the 2025 series or if it serves as a replacement (star) series for polymer notes.

Already found the NC prefix, so it’s standart circulation notes