p173s1: 500 Piso from 1987

ND (1987-1994). Black and brown on multicolor underprint. Aquino at left center, flag in underprint at center, typewriter at lower right. Back: Various scenes and gatherings of Aquino's career. Watermark: Aquino. Replacement notes: Serial number prefix "+". Specimen.

• Country & Pick Number:Philippines p173s1
• Denomination & Currency:500 Piso
• First Year of Issue:1987
• Issue Type: Specimen Note
• Signature(s):C. Aquino, J. Fernandez