| Issuer: Philippines
Date: 9/18/1991 (1991 blocks) (4, 2 x 2) 1, 1: 1p 1, 2: 1p 2, 1: 1p 2, 2: 1p |
External links: Colnect 576980..ismo_Centenary |
| Issuer: Philippines
Date: 9/18/1991 (1991 blocks) (4, 2 x 2) 1, 1: 1p 1, 2: 1p 2, 1: 1p 2, 2: 1p |
External links: Colnect 576980..ismo_Centenary |
