| DATE | ISN | TYPE | SHORT TITLE | IMG | SCO | NGO |
| 1991.01.30 |
A1991A30 | SPE | 2nd Plenary Council of the Phils. |
IMG | 2045 | 1608 |
| 1991.03.15 |
A1991C15 | COM | 50th Anniv. of Philippine Airlines |
IMG | 2046-2047 | 1609 |
| 1991.03.30 |
A1991C30 | DEF | Philippine Flowers Series IA |
IMG | 2053a | 1613-1616 |
| 1991.04.01 |
A1991D01 | DEF | Philippine Flowers Series IB |
IMG | 2075a | 1618 |
| 1991.04.11 |
A1991D11 | DEF | Philippine Flowers Series IC |
IMG | 2048-2049,
2061 | 1611 |
| 1991.04.22 |
A1991D22 | SPE | 12th Asia-Pacific Jamboree |
IMG | 2090-2092 | 1633 |
| 1991.04.22 |
S1991D22 | S-S | 12th Asia-Pacific Jamboree |
IMG | 2092a | 1636 |
| 1991.05.17 |
A1991E17 | DEF | Philippine Flowers Series II |
IMG | 2054, 2065a,
2069a | 1637 |
| 1991.06.03 |
A1991F03 | COM | Great Filipinos Series III |
IMG | 2089 | 1647-1651 |
| 1991.06.24 |
A1991F24 | COM | 400th Anniv. of Antipolo (1591-1991) |
IMG | 2093 | 1652 |
| 1991.07.31 |
A1991G31 | SPE | WWF for Nature [Phil. Eagle] |
IMG | 2094-2097 | 1653 |
| 1991.08.20 |
A1991H20 | COM | Centenary of Phil. Bar Association |
IMG | 2098 | 1657 |
| 1991.08.29 |
A1991H29 | COM | 50th Anniv. of Usaffe Induction I |
IMG | 2099 | 1658 |
| 1991.08.29 |
S1991H29 | S-S | 50th Anniv. of USAFFEE Induction I |
IMG | 2100 | 1659 |
| 1991.09.18 |
A1991I18 | COM | Centenary of El Filibusterismo |
IMG | 2101 | 1660-1661 |
| 1991.10.15 |
A1991J15 | COM | 4th Centennial of Saint John of the Cross |
IMG | 2102 | 1664 |
| 1991.10.15 |
S1991J15 | COM | 4th Centennial of Saint John of the Cross |
IMG | 2103 | 1665 |
| 1991.10.24 |
A1991J24 | SPE | United Nations' Stamps Issues |
IMG | 2104-2106 | 1666 |
| 1991.11.20 |
A1991K20 | SPE | Philatelic Week [Moral Values II] |
IMG | 2107-2109 | 1669 |
| 1991.11.22 |
A1991K22 | SPE | XVIth SEA Games |
IMG | 211a,
2113a | 1672-1673 |
| 1991.11.22 |
M1991K22 | SPE | XVIth SEA Games |
IMG | 2113c | 1677 |
| 1991.11.22 |
S1991K22 | S-S | XVIth SEA Games |
IMG | 2113b | 1676 |
| 1991.11.27 |
S1991K27 | S-S | 1st PHILACON |
IMG | 2114 | 1678 |
| 1991.12.01 |
A1991L01 | DEF | Phil. Flowers Series IIIA [Revalued] |
IMG | 2059a, 2079a,
2083a, 2087a | 1680-1683
1686-1689
1690-1693
1694-1697 |
| 1991.12.04 |
A1991L04 | SPE | Christmas 1991 |
IMG | 2115-2118 | 1699 |
| 1991.12.08 |
A1991L08 | COM | 50th Anniv. of USAFEE Induction II |
IMG | 2120a | 1703-1718 |
| 1991.12.13 |
A1991L13 | DEF | Philippine Flowers Series IIIB [Revalued] |
IMG | 2055,
2060,
2071 | 1679 |
| 1991.12.19 |
A1991L19 | COM | Basketball Centennial |
IMG | 2121-2124 | 1735 |
| 1991.12.19 |
S1991L19 | S-S | Basketball Centennial |
IMG | 2125 | 1739 |
| 1991.12.19 |
M1991L19 | COM | Basketball Centennial |
IMG | 2124a | 1740 |
| 1991.12.26 |
A1991L26 | SPE | New Year's Greeting Series I (Monkey) |
IMG | 2126-2127 | 1741 |
You're here:
1991 PHILIPPINE STAMP CATALOG