| DATE | ISN | TYPE | SHORT TITLE | IMG | SCO | NGO |
| 1973.01.22 |
A1973A22.1 | DEF | 10s on 6s Surcharges Series III |
IMG | 1181 | 0666 |
| 1973.01.22 |
A1973A22.2 | DEF | 10s on 6s Surcharges Series III |
IMG | 1182 | 0667 |
| 1973.02.22 |
A1973B22 | DEF | Presidential Credo Series VIII |
IMG | 883I-883J | 0668-0669 |
| 1973.03.01 |
A1973C01 | COM | 60th Anniv. of St. Louis Univ., Baguio City |
IMG | 1183-1185 | 0670-0672 |
| 1973.04.09 |
A1973D09 | COM | Col. Jesus VIllamor |
IMG | 1186-1187 | 0673-0674 |
| 1973.04.23 |
A1973D23.1 | DEF | Provisional Surcharges of 1973 |
IMG | 1188 | 0675 |
| 1973.04.23 |
A1973D23.2 | DEF | Provisional Surcharges of 1973 |
IMG | 1189 | 0676 |
| 1973.04.23 |
A1973D23.3 | DEF | Provisional Surcharges of 1973 |
IMG | 1190 | 0677 |
| 1973.05.15 |
A1973E15 | SPE | 1st Third World Theater Festival |
IMG | 1191-1194 | 0678-0681 |
| 1973.05.31 |
A1973E31 | DEF | Phil. Heroes & Heroines Series I |
IMG | 1195 | 0682 |
| 1973.06.04 |
A1973F04.1 | COM | 10th Anniv. of the Death of John F. Kennedy |
IMG | 1210 | 0683 |
| 1973.06.04 |
A1973F04.2 | SPE | Anti-Smuggling Campaign |
IMG | 1209 | 0684 |
| 1973.06.20 |
B1973F20 | S-P | Anti-TB [Phil. Fruits] Surcharged |
IMG | B48-B49 | 0685-0686 |
| 1973.09.21 |
A1973I21 | COM | 75th Anniv. of Phil. Independence |
IMG | 1211-1213 | 0687-0689 |
| 1973.09.24 |
A1973I24 | DEF | Phil. Heroes & Heroines Series II |
IMG | 1199 | 0690 |
| 1973.10.08 |
A1973J08 | DEF | Phil. Heroes & Heroines Series III |
IMG | 1208 | 0691 |
| 1973.10.25 |
A1973J25 | DEF | Phil. Heroes & Heroines Series IV |
IMG | 1204 | 0692 |
| 1973.10.31 |
A1973J31 | DEF | First Lady of the Philippines |
IMG | 1214-1216 | 0693-0695 |
| 1973.11.15 |
A1973K15 | SPE | Malacañan Palace |
IMG | 1217-1218 | 0696-0697 |
| 1973.11.15 |
C1973K15 | AIR | Malacañan Palace |
IMG | C107 | 0698 |
| 1973.11.26 |
A1973K26 | SPE | Philatelic Week 1973 |
IMG | 1229 | 0699 |
| 1973.11.27 |
A1973K27 | DEF | Phil. Heroes & Heroines Series V |
IMG | 1206 | 0700 |
| 1973.12.18 |
A1973L18 | SPE | 50th Anniv. of INTERPOL |
IMG | 1219-1220 | 0701-0702 |
| 1973.12.28 |
A1973L28 | COM | 50th Anniv. of Boy Scouts of the Phils. |
IMG | 1221-1222 | 0703-0704 |