| Issuer | Philippines |
| Year | 1991 |
| Type | Circulating commemorative coin |
| Value | 1 Peso (1 piso) (1 PHP) |
| Currency | Piso (1967-date) |
| Composition | Copper-nickel |
| Weight | 9.5 g |
| Dimensions | 29 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | 2 January 1998 |
| Reference(s) | KM#257, Schön#95 |
| Obverse description | Coat of arms of the Philippines. |
| Obverse script | Latin |
| Obverse lettering | REPUBLIKA NG PILIPINAS
★ 1-PISO ★ (Translation: Republic of the Philippines.) |
| Reverse description | Hinulugang Taktak Waterfalls at left, bread-fruit tree (Artocarpus altilis) at right, bow of San Jose at bottom. |
| Reverse script | Latin |
| Reverse lettering | IKA-400 NA TAON NG ANTIPOLO, RIZAL
• 1591-1991 •
HINULUGANG
TAK TAK
ARTOCARPUS
ALTILIS
SAN JOSE (Translation: 400th Anniversary of Antipolo, Rizal.) |
| Edge | Reeded |
| Mint | (PI) BSP Security Plant Complex,Quezon City, Philippines (1975-date) |
| Mintage | 1991 PI - - 1991 PI - Matte - |
| Catalog ID | 3463254160 |
| Comments |
