El Salvador
| Country: | El Salvador |
| Type: | Postage stamps |
| Series: | U.P.U. (Universal Postal Union), 125th Anniversary |
| Nominal: | 4 ₡ |
| Year: | 1999 |
| Perforation: | comb 14¼ x 14 |
U.P.U. (Universal Postal Union), 125th Anniversary
 UPU Emblem |  Postal Service |