Super HARD TO FIND.

Very small unnoticeable tropical stain dot on left side.

Colors; Red, orange, and brown. Front: Filipino text; Manuel Luis Quezón; ANG BAGONG LIPUNAN and guilloche overprint; Bangko Sentral ng Pilipinas seal. Back: Filipino text; Malacañang Palace (presidential residence) and Pasig River in San Miguel, Manila. Segmented solid security thread. Watermark: Manuel Luis Quezón. Printer: (Giesecke & Devrient). 160 x 66 mm. Paper.

https://www.numismatics.ph/banknotes/ang-bagong-lipunan-series/20-piso.html